EDY AGUSTIAN YAZID. Analysis of Caffeine in Tablet Dosage Form with Spectrophotometric and Iodometric Back Titration Methods. Journal of Tropical Pharmacy and Chemistry, [S. l.], v. 4, n. 6, p. 271–280, 2019. DOI: 10.25026/jtpc.v4i6.214. Disponível em: https://jtpc.jurnalfamul.com/index.php/jtpc/article/view/214. Acesso em: 21 apr. 2026.