Mehmood, Bilal, et al. “Triangular Relationship Between Energy Consumption, Price Index and National Income in Asian Countries: A Pooled Mean Group Approach in Presence of Structural Breaks”. International Journal of Energy Economics and Policy, vol. 4, no. 4, Aug. 2014, pp. 610-2, https://econjournals.org.tr/index.php/ijeep/article/view/862.