Apmarja, S. U.; Nasution, M. A.; Nasution , H. M.; Yuniarti , R. Determination of Total Flavonoid Contents and Antioxidant Activity of Ethanol Extract, N-Hexane Fraction, Ethyl Acetate of Senggani Leaves (Melastoma Candidum D.Don) by Visibel Spectrophotometry. JPS 2025, 8, 420-436.