Saryanti, D., and I. Setiawan. “Optimization of Selfnanoemulsifying Drug Delivery System (SNEDDS) Formulation of Ethil Acetate Fraction Soursop Leaf As Antioxidant”. Indonesian Journal of Global Health Research, Vol. 4, no. 3, Aug. 2022, pp. 559-66, doi:10.37287/ijghr.v4i3.1065.