SPECIATION, MOBILITY AND POTENTIAL TOXICITY OF METALS (CR, CO, CU AND MN) IN SOIL SAMPLES FROM DUMPSITES IN KANO METROPOLIS. FJS [Internet]. 2022 Oct. 31 [cited 2025 Sep. 11];6(5):270-7. Available from: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/1487