Onyeke, Chibueze E., Ifeoma Nwakoby, Josaphat U. J. Onwumere, Ifeoma Ihegboro, and Chidiebere Nnamani. 2020. “Impact of Oil Price Shocks on Sectoral Returns in Nigeria Stock Market”. International Journal of Energy Economics and Policy 10 (6):208-15. https://econjournals.org.tr/index.php/ijeep/article/view/10189.