OKORIE, Edmund; ACHUSIM, Anthonia Chidinma. Mobility of Heavy Metals associated with the Natural Weathering of Coal Spoils: A case Study of Okaba Coal Mine, Kogi State Nigeria. International Journal Of Research And Technopreneurial Innovations, Nigeria, v. 2, n. 1, p. 127–134, 2025. Disponível em: https://ijrti.com.ng/index.php/home/article/view/65. Acesso em: 4 aug. 2026.