Ojukwu, Chioma O, and Nsisong Boniface Udokang. “Oil Price Volatility and Federal Government Recurrent Expenditure in Nigeria: Mediating Role of Exchange Rate”. Gusau International Journal of Management and Social Sciences 6, no. 3 (October 23, 2023): 201–218. Accessed October 3, 2026. https://www.gijmss.com.ng/index.php/gijmss/article/view/195.