احمد كاظم ابتهاج, and طالب جواد سناء. 2016. “Assessment the Concentration of Some Heavy Metals of Selected Soils from Shattrah City”. University of Thi-Qar Journal of Science 6 (1): 45-52. https://doi.org/10.32792/utq/utjsci/v6i1.128.