Grimaldo Guerrero, J.W., Rodríguez Toscano, A.D., Vidal Pacheco, L. and Osorio Tovar, J. 2018. Analysis of the Energetic and Productive Effects Derived by the Installation of a Conveyor Belt in the Metal-mechanic Industry. International Journal of Energy Economics and Policy. 8, 6 (Oct. 2018), 196–201.