Faris J. M. Al-Imarah, 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, pp. 36–42. doi: 10.9734/bpi/ciees/v8/11926D.