Effiong, Mfonobong O., Chukwuemeka U. Okoye, and Noble J. Nweze. “Sectoral Contributions to Carbon Dioxide Equivalent Emissions in the Nigerian Economy”. International Journal of Energy Economics and Policy 10, no. 1 (November 13, 2019): 456–463. Accessed February 7, 2025. https://econjournals.org.tr/index.php/ijeep/article/view/8905.