Abriyani, Ermi, Aisha Nusaiba Amara, Amalia Wulandari, and Devi Setiawati. 2022. “Review Article: Analysis Caffeine in Powder Coffee Using Spectrophotometry UV-VIS Method”. KESANS : International Journal of Health and Science 2 (2):80-88. https://doi.org/10.54543/kesans.v2i2.122.