Omoregie, Osaretin Kayode, and Sodik Adejonwo Olofin. “Corporate Performance in Nigeria: The Effect of Oil Price and Exchange Rate Fluctuations”. International Journal of Economics and Financial Issues, vol. 10, no. 1, Dec. 2019, pp. 170-9, https://econjournals.com./index.php/ijefi/article/view/8829.