Kamaruddin, H. S., Angriani, A., & Sabandar, C. W. (2021). Determination of Polyphenol Content in Sawo Fruit (Manilkara zapota) Based on Geographical Location . Journal of Tropical Pharmacy and Chemistry, 5(3), 239–244. https://doi.org/10.25026/jtpc.v5i3.300