SPECIATION, MOBILITY AND POTENTIAL TOXICITY OF METALS (CR, CO, CU AND MN) IN SOIL SAMPLES FROM DUMPSITES IN KANO METROPOLIS. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 6, n. 5, p. 270–277, 2022. DOI: 10.33003/fjs-2022-0605-1487. Disponível em: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/1487. Acesso em: 11 sep. 2025.