Ojikutu, Olamide T., Rita U. Onolemhemhen, and Sunday O. Isehunwa. 2017. “Crude Oil Price Volatility and Its Impact on Nigerian Stock Market Performance (1985-2014)”. International Journal of Energy Economics and Policy 7 (5):302-11. https://econjournals.com./index.php/ijeep/article/view/5007.