HASIBUAN, M. L.; SUMARDI, S.; ZEBUA, N. F.; SARI, N. Caffeine Content Analysis of Arabica Coffee Beans with Variation Roasting Temperatures Grown in Aek Sabaon South Tapanuli. Journal of Pharmaceutical and Sciences, [S. l.], v. 6, n. 2, p. 681–691, 2023. DOI: 10.36490/journal-jps.com.v6i2.116. Disponível em: https://journal-jps.com/new/index.php/jps/article/view/116. Acesso em: 16 sep. 2024.