2017. Assessment of Concentration of some trace elements in water and aquatic plant(Ceratophyllum demersum) in Euphrates River in Suq- Alshuyouk, south of Iraq. University of Thi-Qar Journal of Science. 6, 2 (Jun. 2017), 3–10. DOI:https://doi.org/10.32792/utq/utjsci/v6i2.86.