Sari, Wulan K., Rika S. Kristantri, and Tris H. Pebriani. “SPF Activity Sunscreen Spray Gel Ethanol Extract of Cinnamon Bark (Cinnamomum Burmanii Ness. BI, Syn)”. Jurnal Akademika Kimia 12, no. 2 (May 31, 2023): 132-141. Accessed February 5, 2025. https://jurnalfkipuntad.com/index.php/jak/article/view/3491.