Harningsih, T. and Wimpy, W. 2018. Uji Aktivitas Antioksidan Kombinasi Ekstrak Daun Kersen (Muntingia calabura Linn.) dan Daun Sirsak (Anonna muricata Linn.) Metode DPPH (2,2-diphenyl-1- picrilhidrazyl). Biomedika. 11, 2 (Sep. 2018), 70-75. DOI:https://doi.org/https://doi.org/10.31001/biomedika.v11i2.422.