B. O. Ogunbameru. “Livestock Extension Service in the Arid Zone of Nigeria : A Case Study of Borno State”. Indian Journal of Extension Education 26, no. 3&4 (December 31, 1990): 17–23. Accessed October 25, 2025. http://epubs.icar.org.in/index.php/IJEE/article/view/159474.