Safilla, A. et al. 2022. Formulasi Masker Clay Ekstrak Kelopak Bunga Rosella (Hibiscus sabdariffa L.) sebagai Antioksidan: Formulation of Clay Mask Rosella Flower Calyx Extract (Hibiscus sabdariffa L.) as an Antioxidant. Proceeding of Mulawarman Pharmaceuticals Conferences. 15, 1 (May 2022), 25–29. DOI:https://doi.org/10.25026/mpc.v15i1.612.