A.I.N, K., J. Iku, and S. Ebigwai. “Analysis of Determinants of Demand and Supply of Maize in Aniocha North Local Government Area, Delta State, Nigeria”. International Journal of Sustainable Agricultural Research, vol. 2, no. 1, Mar. 2015, pp. 12-21, doi:10.18488/journal.70/2015.2.1/70.1.12.21.