“Determination of Total Flavonoid Content from the Ethyl Acetate Fraction of Soursop Leaves (Annona muricata L.) Using the UV-Vis Spectrophotometry Method”, JPS, vol. 8, no. 3, pp. 1775–1785, Aug. 2025, doi: 10.36490/journal-jps.com.v8i3.1023.