The Effect Of Clay Mining On The Quality Of River Eze In Ozubulu, Anambra State, Nigeria. coou African Journal of Environmental Research, [S. l.], v. 1, n. 2, p. 104–117, 2019. Disponível em: https://ajer.org.ng/index.php/journal/article/view/57. Acesso em: 24 jun. 2026.