Al-Imarah, Faris J. M., Ghassan A. Al-Najar, and Abbas A. Hantoosh. 2021. “Seasonal Variations of Heavy Metals Concentrations in Different Organs of Carassius Auratus (Gibelio, Bloch, 1782) Fish, Caught at Al-Hammar Marsh, Southern Iraq”. Challenging Issues on Environment and Earth Science Vol. 8, August, 36-42. https://doi.org/10.9734/bpi/ciees/v8/11926D.