islamiyati, Ricka. “Phytochemical Screening and Determination of Content Total Flavonoids Of Ethyl Acetate Extract Of Matoa Leaves Using UV-VIS Spectrophotometry”. PHARMACON 13, no. 3 (October 31, 2024): 715–723. Accessed January 17, 2026. https://ejournal.unsrat.ac.id/v3/index.php/pharmacon/article/view/55953.