SKRINING FITOKIMIA EKSTRAK ETANOL BUAH UBI JALAR UNGU (Ipomoea batatas L. Fructus) . Journal of Pharmaceutical Science and Herbal Technology. 2025;10(1):1-8. Diakses Oktober 15, 2026. https://ojs.institutnh.ac.id/index.php/jpsht/article/view/2254