O. Putri, Natasya, et al. “Mangosteen Peel Extract Increases Transforming Growth Factor-Beta in the Wound Healing Process: Http: www.doi.org 10.26538 Tjnpr V6i10.17”. Tropical Journal of Natural Product Research (TJNPR), vol. 6, no. 10, Oct. 2022, pp. 1660-2, https://tjnpr.org/index.php/home/article/view/1228.