B. M. Munza, M. R. Hassan, R. J. Tanko, S. M. Otaru, D. J. U. Kalla, and S. M. Yashim, “Dry matter intake, nutrient digestibility and nitrogen balance in growing Red sokoto bucks fed Sorghum bicolor hay supplemented with concentrate”, NJAP, vol. 44, no. 3, pp. 332–341, Jan. 2021.