Alao, J. S.
Department of Social and Environmental Forestry, College of Forestry and Fisheries, University of Agriculture, Makurdi, P. M. B. 2373, Makurdi, Nigeria.
Shuaibu, R. B.
Department of Forestry and Wildlife Management, Faculty of Agriculture and Agricultural Technology, Federal University , P. M. B. 5001, Dutsin-Ma, Katsina State, Nigeria
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