D. Dipahayu and G. G. Kusumo, “Formulasi dan Evaluasi Nano Partikel Ekstrak Etanol Daun Ubi Jalar Ungu (Ipomoea batatas L.) Varietas Antin-3: Formulation and Evaluation of Nano Particles Ethanol Extract of Purple Sweet Potato Leaves (Ipomoea batatas L.) Antin-3 Varieties”, J. Sains Kes., vol. 3, no. 6, pp. 781–785, Dec. 2021.