Rupa, N. F., Gama, S. I. and Ahmad, I. (2023) “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, 18(1), pp. 109–115. doi: 10.25026/mpc.v18i1.713.