G.F. Al-Qaysi, W. 2021. Study of chemical pollution of well water in Doura area / south of Baghdad with some minor and heavy elements (Fe - Mn - Zn - Cu - Co - Pb - Cd and Ni). Al-Kufa University Journal for Biology. 13, 1 (Jan. 2021), 7–16. DOI:https://doi.org/10.36320/ajb/v13.i1.8139.