Sumardiyono, Sumardiyono, and Soebiyanto Soebiyanto. “Effect of Activator Concentration of Hydrochloric Acid in Activited Carbon from Young Coconut Fiber to Decrease BOD and DO at Waste Liquid Tofu”. Biomedika 12, no. 1 (March 22, 2019): 62-66. Accessed November 22, 2024. http://ejurnal.setiabudi.ac.id/ojs/index.php/biomedika/article/view/466.