Concentration in the North Eastern Nigeria’s Yam Market: A Gini Coefficient Analysis VB Taru, H Lawal Agro-Science · Volume 10, Issue 2 (2012) DOI: 10.4314/as.v10i2.7 Abstract No abstract Article information Published19 April 2012 Languageen PublisherAfrican Journals Online (AJOL) LicenseNo license URL DOI10.4314/as.v10i2.7 Journal ISSN1119-7455