prof maryoud, O. S. A. Maalla, A. Matar, A. A. Hassan, A. A. Eldosogi, and M. E. Maruod, “The Prospective Livestock’s contribution to Sustainable Rural livelihood in semi arid zone in North Kordofan State, Sudan”, ar, vol. 2, no. 02, pp. 47-59, Mar. 2019.