MOHAMMED, I. B. .; OKECHUKU , M.; OKINDELE , M. D. . ENVIRONMENTAL IMPACT OF SAND HARVESTING IN NIGER STATE, NIGERIA. African Journal of Emerging Issues, [S. l.], v. 4, n. 1, p. 18–26, 2022. Disponível em: https://ajoeijournals.org/sys/index.php/ajoei/article/view/250. Acesso em: 23 jun. 2025.