Nurlutfiyyah Aini, N. Parisa, and Fatmawati. “Assesment of Antioxidant Activity Test of Kersen Leaf (The phenolic.) and Epiphyte With DPPH (2.2-Diphenyl-1-Picrylhidrazyl)”. Archives of The Medicine and Case Reports, Vol. 1, no. 2, Oct. 2021, pp. 42-48, doi:10.37275/amcr.v1i2.9.