Al-TamimiO. S., AnwarS. M., and AbdullahA. S. “Heavy Metals Level Evaluation of Drinking Water Supply In Kirkuk City/NE of Iraq”. Iraqi Journal of Science, Vol. 60, no. 8, Aug. 2019, pp. 1743-52, http://scbaghdad.edu.iq/eijs/index.php/eijs/article/view/968.