Contreras-Salinas, J., F. Lopez, C. A. Rondon-Rodriguez, H. g Hernández Palma, and J.-D. De-la-Hoz-Hernandez. “Analysis of Energy Consumption in Colombia Using the Holt Method”. International Journal of Energy Economics and Policy, vol. 10, no. 6, Oct. 2020, pp. 679-83, https://www.econjournals.com/index.php/ijeep/article/view/8221.