Akınyemi, O., P. O. Alege, O. O. Ajayi, and H. Okodua. “Energy Pricing Policy and Environmental Quality in Nigeria: A Dynamic CGE Approach”. International Journal of Energy Economics and Policy, vol. 7, no. 1, Jan. 2017, pp. 268-76, https://www.econjournals.com/index.php/ijeep/article/view/3479.