Kadim, I.T., B.H.A. Al-Qamshui, O. Mahgoub, W. Al-Marzooqi, and E.H. Johnson. 2009. “The Effects of Ascorbic Acid and Seasonal Temperatures on Meat Quality Characteristics of Broiler Chickens Maintained in Open-Sided and Closed Houses”. International Journal of Poultry Science 8 (8): 733–739. https://doi.org/10.3923/ijps.2009.733.739.