Pambudi DB, Fajriyah NN, Shalekhah VR. Test on the Antioxidant Activities of Methanol Extract of Bidara Leaves (Ziziphus spina-christi L.) using the DPPH Radical Immersion Method. Borneo J Pharm [Internet]. 2020Feb.27 [cited 2024Nov.21];3(1):44-51. Available from: https://journal.umpr.ac.id/index.php/bjop/article/view/1242