EVALUATION OF THE POTENTIAL OF ONION PEEL COMPOSITE AS AN ADSORBENT FOR THE REMOVAL OF CATIONS IN FISH POND WASTEWATER. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 6, n. 4, p. 267–273, 2022. DOI: 10.33003/fjs-2022-0604-1077. Disponível em: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1077. Acesso em: 2 sep. 2025.