FINANCIAL RANKING: FINANCIAL TOOL TO MEASURE THE PRODUCTIVITY OF COMMERCIALIZATION COMPANIES OF ELECTRICAL ENERGY (Article published in Spanish). estud.gerenc. [Internet]. 2009 Jun. 30 [cited 2026 Oct. 21];25(111):13-34. Available from: https://www.icesi.edu.co/revistas/index.php/estudios_gerenciales/article/view/302