Mpundu, Mubanga, et al. “Effects of Public Expenditure on Gross Domestic Product in Zambia from 1980-2017: An ARDL Methodology Approach”. Journal of Economics and Behavioral Studies, vol. 11, no. 2(J), May 2019, pp. 103-11, https://doi.org/10.22610/jebs.v11i2(J).2825.