Assessment of Some Potentially Toxic Inorganic Contaminants in Soil of the Obi Coalfield, Middle Benue Trough, Nigeria. International Journal of Scientific Research and Management (IJSRM), [S. l.], v. 3, n. 3, 2015. Disponível em: https://www.ijsrm.net/index.php/ijsrm/article/view/307. Acesso em: 28 apr. 2025.