Ernoviya, Ernoviya, Afriadi Afriadi, and Hesti Silfania. “Analisis Senyawa Kafein Pada Bubuk Kopi Jenis Arabika Di Kota Takengon Menggunakan Analisis Kualitatif Dan Kuatitatif”. JOPS (Journal Of Pharmacy and Science) 6, no. 2 (June 30, 2023): 176-183. Accessed November 22, 2024. https://jurnal.univrab.ac.id/index.php/jops/article/view/3371.