RUPA, Nia Fevniaty; GAMA, Sabaniah Indjar; AHMAD, Islamudin. Validasi Metode dan Penetapan Kadar Kafein Menggunakan Spektrofotometri UV-Vis: Validation of the Method and Determination of Caffeine Levels Using UV-Vis Spectrophotometry. Proceeding of Mulawarman Pharmaceuticals Conferences, [S. l.], v. 18, n. 1, p. 109–115, 2023. DOI: 10.25026/mpc.v18i1.713. Disponível em: https://mpc.jurnalfamul.com/index.php/mpc/article/view/713. Acesso em: 2 may. 2026.