Samad, Khalid Abdul Samad, and Ali A. A. AL Ali. 2022. “Study of Histopathological Change in Gills of Coptodon Zillii As a Bioindicator of Pollution in Sarragy River In Abu Alkhasiib Region”. Iraqi Journal of Aquaculture 11 (2):141-52. https://doi.org/10.58629/ijaq.v11i2.196.