MUKTAR, A.; ALHASSAN, A.; ATIKU, M.; PEDRO, S.; WUDIL, A. Assessment of toxicological indices of some heavy metals in soil, cabbage and lettuce samples grown along some rivers in Kano State, Nigeria. Dutse Journal of Pure and Applied Sciences, [S. l.], v. 7, n. 4a, p. 65–76, 2022. DOI: 10.4314/dujopas.v7i4a.7. Disponível em: https://www.ajol.info/index.php/dujopas/article/view/220807. Acesso em: 10 oct. 2026.