Grimaldo Guerrero, John William, Andrés David Rodríguez Toscano, Lucelys Vidal Pacheco, and José Osorio Tovar. “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, no. 6 (October 28, 2018): 196–201. Accessed February 7, 2025. https://econjournals.org.tr/index.php/ijeep/article/view/7066.