Akpan, Usenobong Friday, and Godwin Effiong Akpan. “The Contribution of Energy Consumption to Climate Change: A Feasible Policy Direction”. International Journal of Energy Economics and Policy, vol. 2, no. 1, Dec. 2011, pp. 21-33, https://econjournals.com.tr/index.php/ijeep/article/view/96.