Hidayat MA, Yunita, Panida RR, Ningsih IY, Kuswandi B. Development of The Scanometric Method for Caffeine Determination in Pharmaceutical Preparations. J.Ris.Kim. [Internet]. 2025 Mar. 31 [cited 2026 Apr. 3];16(1):113-20. Available from: https://jrk.fmipa.unand.ac.id/index.php/jrk/article/view/756