DAMAIYANTI, T.; NASUTION, M. A. .; NASUTION, H. M.; YUNIARTI, R. Determination of Caffeine Levels from Robusta Coffee Leaf Extract (Coffea canephora Pierre ex A. Froehner) and Arabica Coffee Leave (Coffea arabica L.) with High-Performance Liquid Chromatography Method. Journal of Pharmaceutical and Sciences, [S. l.], v. 6, n. 4, p. 1544–1552, 2023. DOI: 10.36490/journal-jps.com.v6i4.257. Disponível em: https://journal-jps.com/new/index.php/jps/article/view/257. Acesso em: 21 dec. 2024.