Marin, Jorge Barrientos, Elkin Tabares Orozco, and Esteban Velilla. 2018. “Forecasting Electricity Price in Colombia: A Comparison Between Neural Network, ARMA Process and Hybrid Models”. International Journal of Energy Economics and Policy 8 (3):97-106. https://econjournals.com/index.php/ijeep/article/view/6181.