Sofia BFD, Hakim A, Safitri A. Pengembangan Modul Praktikum Kimia Bahan Alam Berbasis Generik Sains: Isolasi Kafein Dari Bubuk Kopi. Chem.Educ.Pract [Internet]. 2020 May 29 [cited 2024 Apr. 25];3(1):47-54. Available from: https://jurnalfkip.unram.ac.id/index.php/CEP/article/view/1770