Anka, Anas Sani, and Mas’ud Bello. “An Appraisal of Livestock Sub-Sector and Its Contribution to the Economic Development of Northern Nigeria: A Perspective on Zamfara State”. The International Journal of Humanities & Social Studies 7, no. 12 (December 31, 2019). Accessed July 5, 2024. https://internationaljournalcorner.com/index.php/theijhss/article/view/151269.