“FORMULATION OF BRIGHTENING GEL WITH ETANOL EXTRACT OF RED PAWPAW LEAVES (Syzygium oleana) AS ANTIOXIDANT” (2024) Journal of Pharmaceutical Science and Herbal Technology, 9(1), hlm. 31–41. Tersedia pada: https://ojs.institutnh.ac.id/index.php/jpsht/article/view/1780 (Diakses: 15 Oktober 2026).