I Kadek Bagiana (2024) “ANTIOXIDANT ACTIVITY TESTING OF HYDROGEL FRACTION OF ETHANOLIC EXTRACT BIDARA ARAB LEAF (Ziziphus spinachristi L.) USING THE DPPH (2,2-diphenyl-1-picrylhydrazyl) METHOD”, REPOSITORY STIFAR, 00. Available at: https://repository.stifar.ac.id/Repository/article/view/682 (Accessed: 26July2026).