Arafat, A. R., H. A. Hassan, K. Y. Farroh, S. S. Elnesr, I. EL-wardany, and M. S. Bahnas. 2019. “Effects of Copper (Sulfate, Acetate and Nano) in Ovo Injection on Hatching Traits and Some Physiological Parameters of Newly-Hatched Broiler Chicks”. Advances in BioScience 10 (3):65-72. https://journals.sospublication.co.in/ab/article/view/268.