N. M. N. AL-Sharafi, M. R. A. AL-Sharafi, and H. tuma Al-Kabbi, “Study the effect of coloration diet on Broiler Performance”, KUFA J Vet Med Sci, vol. 2, no. 2, pp. 67–76, Dec. 2011, doi: 10.36326/kjvs/2011/v2i23899.