COMPARATIVE EXTRACTION OF Mn AND Pb USING EDTA AND CITRATE TO ASSESS THEIR MOBILITY FROM TWO DUMPSITES IN ZARIA METROPOLIS. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 5, n. 1, p. 558–565, 2021. DOI: 10.33003/fjs-2021-0501-685. Disponível em: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/685. Acesso em: 11 sep. 2025.