Muktar, A., Alhassan, A., Atiku, M., Pedro, S. and Wudil, A. 2022. 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. 7, 4a (Feb. 2022), 65–76. DOI:https://doi.org/10.4314/dujopas.v7i4a.7.