Hasbiah, Siti Nur, et al. “Formulasi Dan Uji Stabilitas Fisik Krim Tabir Surya Nanoenkapsul Ekstrak Daun Ubi Jalar Ungu (Ipomoea Batatas L.) Varietas Antin-3: Formulation and Physical Stability Test of Sunscreen Cream of Purple Sweet Potato Leaf Extract (Ipomoea Batatas L.) Antin-3 Variety Nanocapsulated”. Jurnal Sains Dan Kesehatan, vol. 5, no. 5, Oct. 2023, pp. 716-22, doi:10.25026/jsk.v5i5.2068.