Pambudi, D. B., Fajriyah, N. N. and Shalekhah, V. R. (2020) “Test on the Antioxidant Activities of Methanol Extract of Bidara Leaves (Ziziphus spina-christi L.) using the DPPH Radical Immersion Method”, Borneo Journal of Pharmacy. Palangka Raya, Indonesia, 3(1), pp. 44–51. doi: 10.33084/bjop.v3i1.1242.