A. Yusuf, O. Olafadehan, C. Obun, M. Inuwa, M. Garba, and S. Shagwa, “Nutritional Evaluation of Sheabutter Fat in Fattening of Yankasa Sheep”, Pak. J. Nutr., vol. 8, no. 7, pp. 1062–1067, Jun. 2009, doi: 10.3923/pjn.2009.1062.1067.