Development of Indirect Spectrophotometric Method for Quantification of Cephalexin in Pure Form and Commercial Formulation Using Complexation Reaction. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 17, n. 2, p. 118 – 123, 2016. DOI: 10.21743/pjaec.v17i2.260. Disponível em: https://pjaec.pk/index.php/pjaec/article/view/227. Acesso em: 4 jul. 2025.