OBOH, I.; EGUN, N. Utilization of water quality index (WQI) in water quality assessment of groundwater in Agbor metropolis, Delta State Nigeria. International Science and Technology Journal of Namibia, [S. l.], p. 048–055, 2018. Disponível em: https://journals.unam.edu.na/index.php/ISTJN/article/view/1215. Acesso em: 19 apr. 2024.