Eno, Kristina Febrianti, et al. “Antioxidant Activity and Organoleptic Tests on Functional Drinks Made from Soursop Leaves (Annona Muricata) With a Combination of Sappan Wood (Biancaea Sappan)”. Jurnal Pijar Mipa, vol. 20, no. 7, Dec. 2025, pp. 1321-7, doi:10.29303/jpm.v20i7.10363.