1ONSACHI, J.M., 2DIBAL, H. U, 3DAKU, S.S. The Maiganga Coal Mine Drainage and Its Effects on Water Quality, North Eastern Nigeria. International Journal of Emerging Trends in Science and Technology, [S. l.], v. 3, n. 07, p. 324–4333, 2016. Disponível em: http://ijetst.in/index.php/ijetst/article/view/1146. Acesso em: 24 feb. 2025.