Okpalanwabude, I. F., E. M. Mgbemena, and Oguanobi‬C. R. “Econometric Framework for Assessing the Impact of Private and Public Investment on Real GDP in Nigeria Using ARDL-ECM Technique”. Indonesian Development of Economics and Administration Journal, Vol. 4, no. 2, Dec. 2025, pp. 86 - 103, doi:10.70001/idea.v4i2.379.