Maikasuwa, M. A., and A. Ala. “DETERMINATION OF PROFITABILITY AND RESOURCE-USE EFFICIENCY OF YAM PRODUCTION BY WOMEN IN BOSSO LOCAL GOVERNMENT AREA OF NIGER STATE, NIGERIA”. European Scientific Journal, ESJ, Vol. 9, no. 16, June 2013, doi:10.19044/esj.2013.v9n16p%p.