“Concentration of Some Heavy Elements in Water , Sediment and Plants in Al-Gharraf River in Thi-Qar Province –South of Iraq”. University of Thi-Qar Journal of Science 7, no. 2 (December 11, 2020): 69–72. Accessed July 22, 2024. https://jsci.utq.edu.iq/index.php/main/article/view/716.