[1]
R. Y. Kurang and R. Y. Kamengon, “Phytochemical Test and Antioxidant Activity of Methanol Extract in Arabica Coffee Leaves by Using DPPH Method (1,1-Diphenyl-2-Picrylhydrazyl)”, Walisongo J. Chem., vol. 4, no. 2, pp. 113–118, Dec. 2021.