Venesia, N. F., Fachrial, E., & Lister, I. N. E. (2020). Effectiveness Test of Centella Asiatica Extract on Improvement of Collagen and Hydration in Female White Rat (Rattus Norwegicus Wistar). American Scientific Research Journal for Engineering, Technology, and Sciences, 65(1), 98-107. https://asrjetsjournal.org/American_Scientific_Journal/article/view/5658