Galindo, L. M., J. Samaniego, J. Ferrer Carbonell, J. E. Alatorre, and O. Reyes. “Meta-Analysis of Income and Price Elasticities Energy Demand: Some Public Policy Implications for Latin America”. Economia, Vol. 38, no. 75, Aug. 2015, pp. 9-40, doi:10.18800/economia.201501.001.