1.
Ernoviya E, Afriadi A, Silfania HN. Analisis Senyawa Kafein pada Bubuk Kopi Jenis Arabika di Kota Takengon Menggunakan Analisis Kualitatif dan Kuatitatif: Analysis of Caffeine Compounds in Arabica Ground Coffee in Takengon City Using Qualitative and Quantitative Analysis. JOPS [Internet]. 2023Jun.30 [cited 2025Apr.4];6(2):176-83. Available from: https://jurnal.univrab.ac.id/index.php/jops/article/view/3371