Biomedika <p style="text-align: justify;"><strong>JURNAL BIOMEDIKA</strong> is a peer-reviewed open access journal covers basic and advance research in biomedical science, with focus on the biomedical laboratory science and technology research. The journal is published by the Faculty of Health Sciences, Setia Budi University to promote scientific writing and dissemination of knowledge in biomedical laboratory science and technology. Scientific community are encouraged to submit original research articles and reviews with topicsincluding but not limited to clinical chemistry, hematology, cytohistology, immunoserology, microbiology, toxicology, molecular biology, biochemistry, chemical biology, and food analysis. J. Biomedika is open for submission all year round, and published semiannually.&nbsp;This journal also has become a CrossRef Member&nbsp;since March 2019. Therefore, all articles published by this journal will have unique DOI number.&nbsp;<strong>JURNAL BIOMEDIKA&nbsp;</strong>(<em>p-ISSN:</em><em>1979-035X</em><em>, e-ISSN:&nbsp;</em><em>2302-1306</em>) has been published since 2008. Research articles published in the early 2008 that are not listed on this website have been stored on this link&nbsp;<strong></strong></p> <p style="text-align: justify;"><strong>Editorial Office :</strong><br><strong>Faculty of Health Sciences&nbsp;<br>Setia Budi University, Surakarta, Indonesia&nbsp;</strong></p> en-US (Dian Kresnadipayana) (Rumaeyda Citra Puspita) Fri, 08 Mar 2019 00:00:00 +0000 OJS 60 Antibiotic Resistance Test of Staphylococcus aureus Isolates in Swimming Pools <p><em>One of the bacteria contaminating many swimming pools in Tangerang is </em><em>Staphylococcus aureus</em><em>. This research is conducted to identify the resistance of </em><em>Staphylococcus aureus </em><em>isolates found in swimming pools in Tangerang to antibiotic. The research was started with isolation of </em><em>S. aureus </em><em>from swimming pools in Tangerang using a selective medium of MSA (</em><em>Manitol Salt Agar</em><em>), followed by gram staining, catalase test and coagulase test. Antibiotic resistance test was performed using Kirby-Bauer disk diffusion method based on the recommendation of </em><em>Clinical Laboratory Standards Institute</em><em> (CLSI). As many as 12 isolates of </em><em>S. aureus </em><em>found in swimming pools in Tangerang were tested on five types of antibiotic i.e. AMP (</em><em>amphycillin</em><em>) (10µg), CIP (</em><em>ciprofloxacin</em><em>) (5µg), TET (</em><em>tetracycline</em><em>) (30µg), OXA (</em><em>oxacillin</em><em>) (1µg), and FOS (</em><em>fosfomycin</em><em>) (200µg). The results of the research show </em><em>Staphylococcus aureus </em><em>isolates found in swimming pools in Tangerang has varying degree of resistance to antibiotic. All the tested </em><em>Staphylococcus aureus </em><em>isolates are sensitive to </em><em>amphycillin</em><em>, </em><em>ciprofloxacin</em><em>, </em><em>tetracycline</em><em>, and</em><em> oxacillin</em><em>. Moreover, there are 8 isolates resistant to </em><em>fosfomycin</em><em> and 4 isolates sensitive to </em><em>fosfomycin</em><em>.</em></p> Makhabbah Jamilatun ##submission.copyrightStatement## Fri, 31 May 2019 00:00:00 +0000 Isolation and Identification of Salmonella sp and Serratia sp Bacteria in the Exoskeleton of the Green Fly (Chrysomya megacephala) <p><em>Chrysomyamegacephala is one species that often found around humans, especially in Traditional Markets. Chrysomyamegacephala is one vector of various diseases caused by: bacteria, parasites and helmin. The purpose of this study was to determine whether the exoskeleton of the Chrysomyamegacephala carries the bacteria Salmonellasp and Serratia sp. The method used in catching the Chrysomyamegacephala is by using adhesive bait paper. Number of Chryosomya megacephala samples is 30. Chryosomya megacephalaare then identified. The next step is the isolation of the bacterium Salmonella sp and Serratiasp in the Chrysomyamegacephala using Salmonella Shigella Agar (SSA) and Endo Agar (EA). Identification is done by observing colonies, biochemical tests and gram staining. The results obtained were found in Serratiasp on the exoskeleton of the Chrysomyamegacephalaas much as 90%. Salmonellasp bacteria identified 63.33% on the exoskeleton of the Chrysomyamegacephala. Salmonellasp and Serratiasp bacteria identified in the Chrysomyamegacephala are 30%.</em><em>Chrysomyamegacephala flies obtained from the Surakarta Mojosongo Market are accepted as vectors of Salmonellasp and Serratia sp.</em></p> Rizal Maarif Rukmana, Rika Siwi Utami ##submission.copyrightStatement## Sat, 01 Jun 2019 00:00:00 +0000 Pengaruh Influence of Giving Ferrum (Fe) Tablet with Hemoglobin Levels in Pregnant 3rd Trimester Mother <p><em>Anemia has a role as a cause of high maternal and infant mortality. According to Riskesdas in 2018 the prevalence of pregnancy anemia is relatively high, which is 48.9%. From the data in 2018, the highest number of pregnant women who have anemia at the age of 15-24 years is 84.6%, age 25-34 years is 33.7%, age 35-44 years is 33.6%, and age 45 -54 years at 24%. For the treatment, iron tablets are given for 90 days. The results of the 2018 Riskesdas survey the coverage of Fe tablets for pregnant women in Karanganyar district has reached 100%, but the incidence of anemia in pregnant women is still high. The purpose of this study was to determine the effect of consumption of iron tablets (Fe) on hemoglobin (Hb) levels in pregnant women at the Kusumahati Jaten Clinic. The sample used saturated samples and obtained a sample of 30 people. Data collection used guided interviews in third trimester pregnant women and Kusumahati Jaten clinic reports about examining the amount of Fe tablets given to respondents and Hb levels that were first examined before consuming Fe tablets. In addition, direct measurements were taken of the mother's Hb with an Easy Touch tool. Based on the results of the research and discussion that has been described, it can be concluded that there is an influence between iron (Fe) intake and the increase in hemoglobin (Hb) levels in pregnant women in the Kusumahati Jaten clinic, Karanganyar in 2018. in the low category as many as 19 respondents (63%) and the Hb value on the second stage examination showed in the high category as many as 23 respondents (77%). From the results of this study it is expected that pregnant women consume iron tablets according to the prescribed amount.</em></p> Liss Dyah Dewi Arini ##submission.copyrightStatement## Sun, 28 Jul 2019 00:00:00 +0000 Correlation of Aspartate Aminotransferase - Alanine Aminotransferase Ratio with Hematology Profile in Alcohol Drinker <p><em>Toxicity due to alcohol is the most common cause of liver disease and ranks health resources worldwide. In developed countries, alcohol is the main cause of cirrhosis (PalP and Ray S, 2016). People who consumes a lot of alcohol will tend to have haematological dan bone marrow’s problems, where blood is produced. The bad effects of alcohol on blood cell production occur directly or indirectly. The direct effects of excessive alcohol consumption are toxic effects on the bone marrow, red blood cells, mature erythrocyte cells, leukocytes and platelets. The indirect effect of alcohol consumption is a nutritional deficiency that can disturb production and function of various blood cells. (Ifeanyi O.E, et al, 2014). &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; In this study, the levels of aspartate aminotransferase (AST), alanine aminotransferase (ALT), haemoglobin, erythrocytescounts, leukocytes counts, platelet counts, haematocrit and Protrombine Time (PT) and Activated Partial Thromboplastin Time (APTT) in 30 alcoholic malesat 20-50 years old were examined. From 30 respondents, haemoglobin data, the number of erythrocytes, the number of leukocytes, the number of platelets, haematocrit, PT, aPTT, AST, ALT were obtained and the ratio was also calculated. The results of the Spearman test, the AST/ALT ratio data with haemoglobin levels (p = 0.741), AST/ALT ratio with erythrocyte count (p = 0.778), AST/ALT ratio with leukocyte count (p = 0.472), AST/ALT ratio with platelet count (p = 0.95), AST/ALT ratio with haematocrit (p = 0.88), AST/ALT ratio with PT (p = 0.757), AST/ALT ratio with aPTT (0.352). There was no significant difference between the AST/ALT ratio and the haematological profile in alcohol drinkers (p&gt; 0.05). The importance of paying attention to diet as part of a disease prevention.</em></p> Lucia Sincu Gunawan ##submission.copyrightStatement## Fri, 14 Jun 2019 00:00:00 +0000 Prevalence of Hypertension in Patient with Diabetes Melitus <p><em>Diabetes mellitus is a group of metabolic diseases with characteristic hyperglycemia. Diabetes Mellitus is a disease that cannot be cured but can be controlled. But if this disease is not treated properly, complications will arise; one of the complications of macroangiopathy in DM is hypertension, so the purpose of this study is to determine the prevalence of hypertension towards DM patients in the Mojosongo Surakarta area. The study was conducted at the Sibela Surakarta Health Center, with the subjects of DM patients being 50 people. The research design is a cross sectional approach with purposive sampling technique. The research instruments used were questionnaires and sphygmomanometer devices. To find out the prevalence a descriptive approach was used. The results showed that there were DM patients who were also diagnosed with hypertension. Hypertension prevalence in DM patients is 14 people (28%) from 50 samples, where the number of female patients is more than the male ones, which are 11 people (78.6%). While the prevalence based on age shows that most of the age is ≥ 61 years, which are as many as 8 people (57.2%). For the prevalence based on the duration of the disease, it was found that as many as 9 people (64.3%) had suffered DM more than 10 years. The presence of DM patients accompanied by hypertension, with a prevalence of 14 people (28%).</em></p> Ratna Herawati Prabowo ##submission.copyrightStatement## Fri, 08 Mar 2019 00:00:00 +0000 Seroprevalence, knowledge, and preventive of Hepatitis B Preventive Virus (HBV) In Medical Laboratory Technology Students in Surakarta <p><em>Health workers, especially students of the Medical Laboratory Technology (MLT) have a greater risk of contracting hepatitis B virus infection from exposure to body fluids when doing clinical labs. The importance of seroprevalence, knowledge and attitudes greatly influences students when doing practicum as a preventive measure for hepatitis B infection. This study aims to identify MLT student’s seroprevalence, knowledge and preventive attitudes towards hepatitis B virus infection. This research is a quantitative descriptive study using a cross-sectional study design carried out in one of the health universities in Surakarta in October - November 2018. Subjects were taken using total sampling techniques with a total of 71 students study in D-IV Medical Laboratory Technology. Data collection was done by questionnaire about knowledge, and preventive attitude of hepatitis B infection in students and blood samples collected and screened with HBsAg examination. Data analysis using computerization with SPSS version 21. The results showed that MLT students had good knowledge of 80.3%, good preventive attitudes of 97.2%, and seroprevalence of 1.4% of students with positive HBsAg. Knowledge and preventive attitudes of MLT students fall into the good category. Seroprevalence of D-IV MLT students showed poor results. It is expected that the higher education institution to carry out HBsAg examination as a college entry requirement, so that it can reduce work risks and can improve work safety as medical personnel.</em></p> Rumeyda Chitra Puspita, Lucia Sincu Gunawan ##submission.copyrightStatement## Thu, 14 Mar 2019 00:00:00 +0000 Decrease Cholesterol Levels in Salty Egg Yolk with Powder and Extract Solution of Bay Lleaf (Syzygium polyanthum) <p><em>Egg has a good nutrient, but egg yolk also has high cholesterol so if we eat it excessive, it will do serious damage in our body and increasing the risk of coronary heart disease. Therefore, needed an inovation in food processing industry to process healthier foods and low cholesterol. One of the way by decreasing cholesterol levels in egg yolk by bay leaf (Syzygium polyanthum). Extract and powder of bay leaf (Syzygium polyanthum) were made to decreasing cholesterol levelsin egg yolk. After that, extract and powder solution of bay leaf were made with 2% of consentration. Uncooked eggswere soaking at extract and powder solution for 12 and 24 hours. Then, uncooked eggs were steam and do cholesterol examination with “CHOD-PAP” method and also do organoleptictesting involving 30 panelist. The result showed that soaking with extract of bay leaf for 24 hoursshowed higher decreasing cholesterol levelswhich has measured of 231 mg/100g. Cholesterol levels of egg before soaking knowing which has measured of 621 mg/100g, so that the percentage of decline is 62,80%. Statistic analysis with two ways ANOVA showed that there is a significant different in cholesterol levels. Organoleptic testinghas showed if consumen like the egg.</em></p> Kiky Candrawati, Nur Hidayati ##submission.copyrightStatement## Tue, 05 Mar 2019 00:00:00 +0000 Effect of Activator Concentration of Hydrochloric Acid in Activited Carbon from Young Coconut Fiber to Decrease BOD and DO at Waste Liquid Tofu <p><em>Research had been conducted on making activated charcoal from young coconut skin with hydrochloric acid as an activator which would be used as an adsorbent in tofu liquid waste. The making of the adsorbent from young coconut skin was continued by testing its ability to adsorb BOD and DO in tofu liquid waste. Making activated carbon from young coconut skin was done through the selection of washing, drying, drying, activation using hydrochloric acid with immersion time variables.&nbsp; Titration method was used to test the BOD and DO.Concentration of hydrochloric acid used 0.5 N; 1 N; 1.5 N; 2N; and 2.5 N with immersion times of each concentration of 0.5 hours, 1 hour, 1.5 hours, 2 hours and 2.5 hours. Activated charcoal then was used to absorb tofu liquid waste. From the experiment the best results were obtained at a concentration of 2.5 N. For 0.5 hour immersion time, DO was 2013 mg / l with efficiency 86.91% and the&nbsp; BOD was 284 mg / l&nbsp; with efficiency 87.64%. For the 1 hour immersion time, DO was 2015 mg / l&nbsp; with efficiency 87.64% and the BOD was 267 mg / l with efficiency 88.38%. For 1.5 hours of immersion time DO was 2002 mg / l with efficiency 86.52% and the amount of BOD was 305 mg / l with efficiency 86.72%. For 2 hours immersion time DO was 1833 mg / l with efficiency 86.25% and the amount of BOD was 314 mg / l with efficiency 86.33%. For the immersion time of 2.5 hours the DO amount was 1971 mg / l with efficiency 86.17% and the amount of BOD was 313 mg / l with efficiency 86.37%. so it can be concluded that the best BOD results are at 2.5 N hydrochloric acid concentration with 1 hour immersion time, BOD size 267 mg / l with an efficiency of 88.38%, and DO size 2.5 N hydrochloric acid concentration 1 hour immersion time DO amount was 2015 mg / l with efficiency of 87.64%</em></p> Sumardiyono Sumardiyono, Soebiyanto Soebiyanto ##submission.copyrightStatement## Fri, 22 Mar 2019 00:00:00 +0000 Analysis of Formaline, Borax and Protein Levels in Wet Noodle <p><em>Wet noodles are flour-based foods and are widely consumed by the community because the processing is relatively easy. So that wet noodles are more durable and more chewy, sometimes wet noodles are added with formalin and borax. Therefore this study will analyze the formalin and borax content in wet noodles. According to SNI 2987: 2015 there should be no formalin and borax preservatives in wet noodles, and the minimum level of protein is 9.5%. Determination of qualitative analysis of formaldehyde using color testing while qualitative analysis of borax uses a flame test. Determination of protein content in wet noodle samples using the Kjeldahl method. Based on the results of research on 3 samples of wet noodles sold at Pasar Gedhe, Surakarta City and its surroundings, negative or no formaldehyde and borax results were obtained, so they meet the quality requirements of wet noodles based on SNI 2987 : 2015. The average protein content in wet noodles is very small in sample A of 0.31%, sample B is 1, 22% and sample C is 2.61%, so they do not meet the quality requirements of wet noodles based on SNI 2987 : 2015.</em></p> Elisabet Nani, Yari Mukti Wibowo ##submission.copyrightStatement## Fri, 22 Mar 2019 00:00:00 +0000 Antibacterial Potential of Endophytic Bacteria Isolates from Purwoceng Plants (Pimpinella Pruatjan Molk.) Against Klebsiella pneumoniae and Salmonella typhi <p>This study aims to determine the isolates of purwoceng endophytic bacteria as antibacterial. Antibacterial testing was carried out using the well diffusion method. Potential endophytic bacterial isolates were first inoculated into liquid fermentation media for 52 hours and then extracted using n-hexane solvent. This crude extract is used for antibacterial testing against <em>K. pneumoniae</em> and S. <em>typhi</em>. The antibacterial activity of endophytic bacteria isolates using MHA (Mueller Hinton Agar) media with a thickness of 6 mm and a well diameter of 5 mm. The results showed that the isolates of purwoceng endophytic bacteria could not inhibit the growth of K. pneumoniae and S. typhi.</p> <p>&nbsp;</p> Wildiani Wilson, Dewi Yuniliani ##submission.copyrightStatement## Mon, 25 Mar 2019 00:00:00 +0000 Identification of Entamoeba hystolitica and Balantidium coli on flies in the Legi Market of Surakarta <p><em>Flies is one of the insects belonging to the Diptera Order whose presence can disturb human tranquility and as a mechanical vector of disease transmission. The habit of flies that like dirty places like markets that cause all the body parts of flies can easily carry intestinal protozoa type parasites on the body such as Entamoebahistolytica, Entamoeba coli, Giardia lamblia, and Balatidium coli. Some species of Flies receive considerable attention in health. Diseases that are usually transmitted flies include cholera, diarrhea, dysentery, typhus, and digestive diseases.The research was conducted at Parasitology Laboratory of Faculty of Health Sciences Setia Budi University, Surakarta. The sample used was 40 samples consisting of 20 samples of Muscadomestica and 20 samples of Chrysomyamegachepala. Identification of Entamoeba hystolitica, Balantidium coli in flies was performed by sedimentation method using NaCllauratan 0.9% and then microscopic observation. Based on identification result of Entamoeba hystolitica dan Balantidium coli &nbsp;on flies Muscadomestica and Chrysomya megacephala obtained in Legi Market, Surakarta found 1 Entamoeba histolytica cyst in Muscadomestica with percentage of 5% and 2 Trofozoit Balantidium coli at Chrysomyamegacephala with percentage 10%.</em></p> Hani Dwi Lestari, Tri Mulyowati ##submission.copyrightStatement## Mon, 25 Mar 2019 00:00:00 +0000 Relationship between Knowledge with the Pregnancy of Pregnant Women Towards Exclusive Assumption <p><em>Mother's milk (ASI) is the best food for babies due to the nutritional content contained in breast milk according to the needs of the baby needed for the period of its growth. The issue of breastfeeding is of concern to many countries because the issue of children's health is one indicator in achieving the Sustainable Development Goals (SDGs) in the health sector. This study aims to determine the relationship between knowledge and attitudes of pregnant women towards the provision of exclusive breastfeeding in the working area of ​​the Pasekan District of Indramayu District in 2018. The research method used is the type of survey research using a cross sectional approach. The population of pregnant women in the Juntinyuat Community Health Center Working Area in Indramayu Regency, amounting to 671 pregnant women with sampling using accidental sampling technique amounted to 87 people. The results showed that a small proportion of pregnant women (6.9%) were well-informed. More than half (58.6%) of the attitudes of pregnant women support exclusive breastfeeding.From the bivariate analysis, it was found that there was no significant relationship between knowledge and attitudes of pregnant women towards exclusive breastfeeding in the working area of ​​Pasekan District, Indramayu Regency. The advice given is that for health workers, especially midwives who have direct contact with pregnant women, it is hoped that they can provide intensive health education to increase knowledge and attitudes to support pregnant women for exclusive breastfeeding so as to increase the scope of exclusive breastfeeding in their working areas.</em></p> Mayang Chyntaka ##submission.copyrightStatement## Tue, 26 Mar 2019 00:00:00 +0000 Mother’s Perception of the Post Partum Visit Services <p><em>The covered of porturition service supposed to more than or minimal same with chilbirth by the health staff. Because midewife more active doing the porturition call notiwithstanding to toward woman the chilbirth that helping by indigenous medical practitioner. But a matter of fact that happen about the problem of porturition call that is occur a drop out between the women and Health staf. Because that problem that research done to explaint the perception by women of porturion about porturition call service. The kind of this Research are the descriptif research with quantitative phenomenological. Variabel that researched are perception by women of porturion about porturition call serve. The Population of this Research are all of the women chilbirth in the Puskesmas Sooko Kecamatan Sooko Kabupaten Mojokerto that amount to 20 people. The technical that used is total sampling. This Research did in September 11<sup>th</sup> – December 4<sup>th</sup>, 2018. The instrument that used to roundup the file is the kuesioner and the did the processed file that include editing, coding, scoring, tabulating. The result of the Research is almost of the respondent have a positive perception by porturition serve. The observation by age, Education degree, and total of the child, have gotten more of the responden attain the age of 20-35 years old as much as 12 of the respondent (60%). Well educated of the responden are SMP as much as 15 of the respondent (75%), and including by total of the child as much as 14 of the responden have 2 child or for about 70%. Perception is the one of the indicator to explaint how much reaction of responden by the object that Raise&nbsp; in the Research. Result of the Research have indicated that women chilbirth have a positive perception about porturition call service. To advance the orturition call service might as well doing the elaboration intitutionaly</em></p> Dyah Permata Sari ##submission.copyrightStatement## Fri, 29 Mar 2019 00:00:00 +0000 Relation of Motivation with Post Partum Mother's Behavior in Early Mobilization <p><em>Bleeding Post-delivery is one of the causes of death in the mother. Which is the most common cause of postpartum bleeding is 50-60% due to muscle weakness or absence of uterine contractions. This can be caused because post partum mothers do not carry out early postpartum mobilization in the first 24 hours after labor and the following days. Analytical design - cross sectional. The number of samples was 28 people and the sampling technique was consecutive sampling. The independent variable is the motivation of post partum mothers to do early mobilization, while the dependent variable is the behavior of post partum mothers in conducting early mobilization, collecting data using a questionnaire. Based on the results of the study that more than 50% of respondents (60%) were not motivated in conducting early mobilization, at most the behavior of post partum mothers doing early mobilization was less than 12 people (48%). The Wilcoxon test results showed that α was smaller than α table is 0,000 &lt;0,05, meaning that there is a relationship between motivation and maternal behavior in carrying out early mobilization. It is expected that midwives can provide information about early mobilization by applying directly and also helping post partum mothers in early mobilization so that post partum mothers are not afraid to carry out early mobilization.</em></p> Ferilia Adiesti ##submission.copyrightStatement## Thu, 06 Jun 2019 00:00:00 +0000 Characteristics of ASI Support Groups with Smooth Breastfeeding <p><em>Giving ASI is the basic capital of forming a quality human being where this process starts at an early age, especially if the mother gives her ASI exclusively. Exclusive breastfeeding is carried out from birth to a 6 month old baby without other food or drinks. The coverage of exclusive 6 months breastfeeding in Indonesia is still far from the world average of 38%. This study aims to determine the characteristics of KP-ASI with the smooth operation of breast milk in Gayaman Village, Mojoanyar District. This study uses analytical survey methods with a correlational research design. Data collection method with cross sectional approach. The population in the study were breastfeeding mothers who had babies 0-6 months as many as 25 people. The results showed that from several characteristics there were 3 characteristics that influence the smoothness of breastfeeding, namely the characteristics of the number of children, education and sources of information, where each characteristic had a value of p value &lt;0.05. While the characteristics of age and work are not related to the smooth operation of breast milk. Counseling from health workers needs to be improved in nursing mothers since pregnancy, especially in the third trimester. Support from the family and the environment is also needed so that nursing mothers feel calm, comfortable during the nursing process.</em></p> Farida Yuliani ##submission.copyrightStatement## Fri, 31 May 2019 00:00:00 +0000 Isolation and Identification of Xerofilik Fungi on Instant Coffee <p><em>The process of producing instant products (including instant coffee) if not properly maintained, can cause microbial contamination which is harmful to health. Microbial contamination can cause diarrhea, poisoning and even death. Some xerophilic molds can produce mycotoxins which can cause poisoning. In this research, it will be investigated whether instant coffee which is marketed in Sleman, Yogyakarta contains xerophilic molds and what are the types. This research is an observational research. Sampling is done randomly. Instant coffee samples taken in the area of ​​Sleman, Yogyakarta consists of 5 instant coffee of various brands. The inoculation was carried out with a sprinkling technique on DG 18 media (Dichloran 18% Glycerol). The results of this study prove that instant coffee in Sleman, Yogyakarta contains xerophilic mushroom spores. The types of xerophilic molds found in instant coffee in Sleman, Yogyakarta are Fusarium culmorum, Aspergillus niger, Curvularia lunata, Cladosporium macrocarpum, Geotrichum candidum.</em></p> Kartinah Wiryosoendjojo, Nony Puspawati, Dewi Sulistyawati ##submission.copyrightStatement## Mon, 26 Aug 2019 00:00:00 +0000