EZIGBO, , V. O. Physiochemical Characteristics and Heavy Metal Levels of Soils Associated With Maize Processing Mill Effluent in Nise and its Environs, Anambra State Nigeria . African Journal of Education,Science and Technology (AJEST), [S. l.], v. 1, n. 4, p. pp 113–120, 2014. Disponível em: http://ajest.org/index.php/ajest/article/view/374. Acesso em: 3 apr. 2026.