Khosravi, Ali, Fathollah Boldaji, Behrouz Dastar, and Saeed Hasani. 2008. “The Use of Some Feed Additives As Growth Promoter in Broilers Nutrition”. International Journal of Poultry Science 7 (11): 1095–1099. https://doi.org/10.3923/ijps.2008.1095.1099.