Al-Saraji, A. ., and N. . Nasir. “Effect of Different Dietary Proteins and Fats on the Digestive Enzymes Activities in the Common Carp Fingerlings (Cyprinus Carpio L.) Reared in Floating Cages”. Mesopotamian Journal of Marine Sciences, vol. 28, no. 2, Apr. 2022, pp. 121-30, doi:10.58629/mjms.v28i2.145.