M. Al-Mahjoob, M., A. H. Elewi, and M. F. Khattab. “Estimation of the Chemical Characteristics for Ground Water by Electrical Geophysical Survey”. Iraqi National Journal of Earth Science (INJES), vol. 5, no. 2, Dec. 2005, pp. 91-102, doi:10.33899/earth.2005.65795.