Abimbola, O., A. Amori, O. Omotosho, and I. Igbode. “Investigation of Energy Use Pattern and Emission Discharge in Nigeria: A Case Study of South West Zone”. International Journal of Engineering and Technology Innovation, vol. 5, no. 1, Jan. 2015, pp. 56-65, https://ojs.imeti.org/index.php/IJETI/article/view/64.