Al Hamid, Muhammad, Cut Elvira Novita, Johanna Fransiska Wijaya, and Djamin Djamin. “Effect of Gotu Kola Leaf Extract Cream on Collagenization and Histopathological Picture of Rat Skin Exposed to Ultraviolet B Light”. Jurnal Prima Medika Sains 6, no. 2 (December 30, 2024): 169–176. Accessed January 11, 2026. https://jurnal.unprimdn.ac.id/index.php/jpms/article/view/5743.