Y. Yunusa, U. Doma, D. Zahraddeen, A. Umar, and S. Abubakar, “Carcass and Gut Characteristics of Broiler Chicken Fed Different Energy Sources”, Int. J. Poult. Sci., vol. 13, no. 9, pp. 525–529, Aug. 2014, doi: 10.3923/ijps.2014.525.529.