Pambudi, Dwi Bagus, Nuniek Nizmah Fajriyah, and Vidiah Rizka Shalekhah. 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 3 (1). Palangka Raya, Indonesia:44-51. https://doi.org/10.33084/bjop.v3i1.1242.