Ahmad, Islamudin, and Adhe Septa Ryant Agus. 2013. “Uji Stabilitas Formula Krim Tabir Surya Ekstrak Umbi Bawang Dayak (Eleutherine Americana L. Merr.)”. Journal of Tropical Pharmacy and Chemistry 2 (3):159-65. https://doi.org/10.25026/jtpc.v2i3.62.