Utama, Vonny, Yan Hendrika, and Fuji Astuti. 2022. “Gel Preparation Using Matoa Leaf (Pometia Pinnata) Ethanol Extract: Formulation and Physical Evaluation”. JPK : Jurnal Proteksi Kesehatan 11 (1), 46-51. https://doi.org/10.36929/jpk.v11i1.499.