Toscano, Andres Rodríguez, Aurora Patricia Piñeres Castillo, Julio Cesar Mojica Herazo, and Rafael Ramirez Restrepo. 2021. “Methodological Approach to Improve Energy Efficiency by Concentrating Operation Points an Electrical Transformer Maintenance Company”. International Journal of Energy Economics and Policy 11 (5):204-10. https://econjournals.com/index.php/ijeep/article/view/11333.