Manasseh, C. O., F. C. Abada, J. E. Ogbuabor, J. U. J. Onwumere, C. E. Urama, and O. E. Okoro. “The Effects of Interest and Inflation Rates on Consumption Expenditure: Application of Consumer Spending Model”. International Journal of Economics and Financial Issues, vol. 8, no. 4, July 2018, pp. 32-38, https://www.econjournals.com/index.php/ijefi/article/view/5084.