David-Wayas, Onyinye Maria, Joseph I. Amuka, Chukwudi F. Ezeudeka, Iyenge Mhir Aii, and Micheal C. Nwankwo. 2021. “Oil Price Volatility and Macroeconomic Performance in Nonoil Exporting Countries in Sub-Saharan Africa”. International Journal of Energy Economics and Policy 11 (3):221-30. https://econjournals.com.tr/index.php/ijeep/article/view/11140.