S. U. Apmarja, M. A. Nasution, H. M. Nasution, and R. Yuniarti, “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, vol. 8, no. 1, pp. 420–436, Mar. 2025.