Sari, P.K. et al. 2023. 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, 2 (Feb. 2023), 2414–2420.