Duruibe, S. C., Chigbu, E. E., Ejezube, E. E., & Nwauwa, P. G. (2020). An Evaluation of Public Expenditure and Economic Growth in Nigeria Using the Sectorial Economic Function Approach. European Scientific Journal, ESJ, 16(7), 142. https://doi.org/10.19044/esj.2020.v16n7p142