“FORMULATION OF BRIGHTENING GEL WITH ETANOL EXTRACT OF RED PAWPAW LEAVES (Syzygium oleana) AS ANTIOXIDANT”, Journal of Pharmaceutical Science and Herbal Technology, vol. 9, no. 1, hlm. 31–41, Feb 2024, Diakses: Okt 15, 2026. Tersedia pada: https://ojs.institutnh.ac.id/index.php/jpsht/article/view/1780