Nazliniwaty, N., Harun, F.R., Putra, E.D.L. and Nerdy, N. 2020. Antiaging Activity of Gel Preparation Containing Three Varieties of Passion Fruit Peel Ethanolic Extract. Open Access Macedonian Journal of Medical Sciences. 8, A (Mar. 2020), 170–174. DOI:https://doi.org/10.3889/oamjms.2020.3462.