Garba, N., M.A. v, S. Ukashatu, U.B. Kyiogwom, and A.L. Ala. 2012. “Structure and Conduct of Beef Marketing in Sokoto Metropolis, Sokoto State, Nigeria”. Scientific Journal of Biological Sciences 1 (3):81-85. http://sjournals.com/index.php/sjbs/article/view/1122.