“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 April 19, 2025. https://jtpc.ff.unmul.ac.id/index.php/jtpc/article/view/249.