Yusuf, A.M., O.A. Olafadehan, C.O. Obun, M. Inuwa, M.H. Garba, and S.M. Shagwa. “Nutritional Evaluation of Sheabutter Fat in Fattening of Yankasa Sheep”. Pakistan Journal of Nutrition 8, no. 7 (June 15, 2009): 1062–1067. Accessed September 4, 2025. https://pjnonline.org/pjn/article/view/949.