Items where Author is "Umar, H. S."
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Kuzhkuzha, M. D. and Girei, A. A. and Umar, H. S. (2019) Economic Efficiency and Its Determinants: A Case Study of Cowpea Production in the Western Agricultural Zone of Nasarawa State, Nigeria. Asian Journal of Agricultural Extension, Economics & Sociology, 30 (4). pp. 1-10. ISSN 2320-7027