Nnamani N, Okoronkwo F, Nnamani VC. Marketing of bambara nut (okpa): Unlocking its potential for food and income security in Udenu Local Government Area, of Enugu State, Nigeria. adanj [Internet]. 2024 Jul. 1 [cited 2026 Sep. 20];4(1). Available from: http://adanjournal.org.ng/index.php/adanj/article/view/71