“Uji Stabilitas Formula Krim Tabir Surya Ekstrak Umbi Bawang Dayak (Eleutherine Americana L. Merr.)”. Journal of Tropical Pharmacy and Chemistry , vol. 2, no. 3, Feb. 2025, pp. 159-65, https://jtpc.ff.unmul.ac.id/index.php/jtpc/article/view/8.