Kristianti, Maria T.F., et al. “The Potential Role of Vitamin D Administration in The Skin Aging Process Through The Inflammatory Pathway: A Systematic Review: Http: www.doi.org 10.26538 Tjnpr V7i4.1”. Tropical Journal of Natural Product Research (TJNPR), vol. 7, no. 4, May 2023, pp. 2675-81, https://tjnpr.org/index.php/home/article/view/1857.