The Studies on Water Quality for Cobalt and Manganese Content in Drinking Water of Multan Area, Southern Punjab, Pakistan. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 21, n. 1, p. 152 – 157, 2020. DOI: 10.21743/pjaec/2020.06.18. Disponível em: https://pjaec.pk/index.php/pjaec/article/view/133. Acesso em: 25 nov. 2025.