Two Validated Spectrophotometric Methods for Quantitative Analysis of Amlodipine Besylate in Pharmaceutical Preparations by Redox Reaction. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 27, n. 1, p. 565757ap, 2026. DOI: 10.21743/pjaec/2026/565757ap. Disponível em: https://pjaec.pk/index.php/pjaec/article/view/565. Acesso em: 13 jul. 2026.