Indirect Spectrophotometric Determination of Antidepressant Drugs by Oxidation Using Ponceau 4R Dye. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 25, n. 1, p. 113–125, 2024. DOI: 10.21743/pjaec/2024.06.11. Disponível em: https://pjaec.pk/index.php/pjaec/article/view/11. Acesso em: 5 nov. 2025.