Abriyani E, Yanti D, Yuliani Y, Shapa Azzahra S, Aldi Firdaus M. Analisis Kafein Dalam Kopi Menggunakan Metode Spektrofotometri Uv-Vis. JCS [Internet]. 2022Dec.31 [cited 2024Nov.23];1(5):1398-409. Available from: https://jcs.greenpublisher.id/index.php/jcs/article/view/175