A. L. Alwi, “Perbedaan Metode Pengolahan Pascapanen dalam Memengaruhi Kadar Kafein Roasted Bean Kopi Robusta Argopuro: The Differences in Post-Harvest Processing Methods In Affecting Caffeine Content Of Argopuro Roasted Coffee Beans”, G.Agr.Sci.J, vol. 10, no. 1, pp. 66–71, Jul. 2024.