1Layla M. A.A. Alkatrani,2Abdulkareem Taher Yesser, and 3AbdulHussain Yousif AlAdub. “Effect of Different Salinity Levels on Growth, Digestibility and Evacuation Time of Coptodon Zillii Fingerlings”. Mesopotamia Environmental Journal (mesop. Environ. J) ISSN: 2410-2598, vol. 6, no. 1, June 2022, pp. 45-55, https://mej.uobabylon.edu.iq/index.php/mej/article/view/131.