Sari, Putri K.N., Abdul K. Zulkarnain, and Endang Lukitaningsih. “Evaluation of the Physical Properties and Anti-Aging Microemulgel Sunscreen Nyamplung Oil (Calophyllum Inophyllum L.): Http: .www.doi.org 10.26538 Tjnpr V7i2.18”. Tropical Journal of Natural Product Research (TJNPR) 7, no. 2 (February 28, 2023): 2414–2420. Accessed April 26, 2024. https://tjnpr.org/index.php/home/article/view/1658.