A. R. Arafat, 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”, Adv. Biosci., vol. 10, no. 3, pp. 65–72, Jul. 2019.