Saidu, U., Said, M.D., and Ayodele, J.T. “Determination of Heavy Metals Pollution in Grass and Soil Along Major Highways in Kano”. International Journal of Science for Global Sustainability 2, no. 1 (March 30, 2016): 8. Accessed October 3, 2026. https://mail.fugus-ijsgs.com.ng/index.php/ijsgs/article/view/289.