Onabote, A., A. Jolaade, R. Osabohien, O. Otobo, C. Ede, and V. Okafor. “Energy Sustainability, Energy Financing and Economic Growth in Nigeria”. International Journal of Energy Economics and Policy, vol. 11, no. 1, Dec. 2020, pp. 433-9, https://econjournals.com/index.php/ijeep/article/view/9336.