Arafat, A. R., H. A. Hassan, K. Y. Farroh, S. S. Elnesr, I. EL-wardany, and M. S. Bahnas. “Effects of Copper (Sulfate, Acetate and Nano) in Ovo Injection on Hatching Traits and Some Physiological Parameters of Newly-Hatched Broiler Chicks”. Journal of Advanced Laboratory Research in Biology 10, no. 3 (July 5, 2019): 65–72. Accessed April 11, 2021.