Selim, N.A., Refaie, Amira M., Abeer R. Khosht, and A.S. Abd El-Hakim. 2014. “Effect of Sources and Inclusion Levels of Zinc in Broiler Diets Containing Different Vegetable Oils During Summer Season Conditions on Meat Quality”. International Journal of Poultry Science 13 (11): 619–626. https://doi.org/10.3923/ijps.2014.619.626.