Kurang, Rosalina, and Zakarias Mautuka. “Antioxidant Activity of Methanol and N-Hexane Fractions of the Barf of Kersen (Muntingia Calabura) Extracts”. Journal of Applied Chemical Sciences 5, no. 2 (December 14, 2018): 488-490. Accessed November 30, 2022. https://ejurnal.undana.ac.id/index.php/jacs/article/view/1987.