“The Morphological Deformations and Discrepancy in Sex Ratio in Goldfish (Carassius Auratus) As Biomarker for Pollution in Al- Hammar Marshes – South Iraq ”. 2015. University of Thi-Qar Journal of Science 5 (3): 10-18. https://jsci.utq.edu.iq/index.php/main/article/view/167.