“Antioxidant Assay of the Ethanolic Extract of Three Species of Rattan Fruits Using DPPH Method”. Journal of Tropical Pharmacy and Chemistry 4, no. 4 (December 23, 2025): 154–162. Accessed December 31, 2025. https://jtpc.ff.unmul.ac.id/index.php/jtpc/article/view/187.