Carvajal Osorio, Hernán, Jhon H. Babativa, and Julio A. Alonso. 2010. “Study of H Production by Hydroelectricity 2 for a Hydrogen Economy in Colombia”. Ingeniería Y Competitividad 12 (1):31-42. https://doi.org/10.25100/iyc.v12i1.2700.