“Antioxidant Assay of the Ethanolic Extract of Three Species of Rattan Fruits Using DPPH Method”. Journal of Tropical Pharmacy and Chemistry 4, no. 4 (February 1, 2025): 154–162. Accessed January 31, 2026. https://jtpc.ff.unmul.ac.id/index.php/jtpc/article/view/249.