Hasibuan, M. L., Sumardi, S., Zebua, N. F. and Sari, N. (2023) “Caffeine Content Analysis of Arabica Coffee Beans with Variation Roasting Temperatures Grown in Aek Sabaon South Tapanuli”, Journal of Pharmaceutical and Sciences, 6(2), pp. 681–691. doi: 10.36490/journal-jps.com.v6i2.116.