2Alaa A. Fadhel1Mohammed J. Tuayen,. 2025. “Effect of Iron Oxide Nanoparticles and Zinc Oxide Nanoparticles As Nutritional Additives on Growth Performance and Feed Efficiency in Cyprinus Carpio L.”. Iraqi Journal of Biotechnology 24 (2). https://jige.uobaghdad.edu.iq/index.php/IJB/article/view/859.