ABRIYANI, Ermi; NUSAIBA AMARA, Aisha; WULANDARI, Amalia; SETIAWATI, Devi. Review Article: Analysis Caffeine in Powder Coffee Using Spectrophotometry UV-VIS Method. KESANS : International Journal of Health and Science, [S. l.], v. 2, n. 2, p. 80–88, 2022. DOI: 10.54543/kesans.v2i2.122. Disponível em: https://www.kesans.rifainstitute.com/index.php/kesans/article/view/122. Acesso em: 18 aug. 2025.