Onyeneke, R. U., C. C. . Emenekwe, M. U. Amadi, J. O. . Munonye, C. L. . Njoku, and C. U. . Izuogu. “Demand Analysis of Rice in Nigeria: Application of Quadratic Almost Ideal Demand System Model”. Asian Journal of Agriculture and Rural Development, vol. 10, no. 1, June 2020, pp. 364-78, doi:10.18488/journal.1005/2020.10.1/1005.1.364.378.