EDMUND, Okorie; FUNKE, Fatai Kuburat. Chemical Speciation of some selected Heavy Metals in Soil from the Obajana Industrial Zone Kogi State, Nigeria. International Journal Of Research And Technopreneurial Innovations, Nigeria, v. 2, n. 1, p. 85–92, 2025. Disponível em: https://ijrti.com.ng/index.php/home/article/view/61. Acesso em: 19 jun. 2026.