Salamatu Ahmad Amshi , Aliyu Adamu , Hassan Yesufu and Hananiya Milagawanda. “Health Risk Assessment of Some Heavy Metals (Cd, Pb, Cr) in Soil Sample from Gashua, Yobe, Nigeria”. NIPES - Journal of Science and Technology Research, vol. 1, no. 2, June 2019, https://journals.nipes.org/index.php/njstr/article/view/55.