Assessment of Industrial Impact on Groundwater Quality in N’Djamena, Chad. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 25, n. 2, p. 293 – 305, 2024. DOI: 10.21743/pjaec/2024.12.11. Disponível em: http://pjaec.pk/index.php/pjaec/article/view/134. Acesso em: 6 jul. 2025.