¿IS THE COLOMBIAN EXCHANGE MARKET EFFICIENT? A REVIEW BASED ON THE COINTEGRATION TESTING (Article published in Spanish). estud.gerenc. [Internet]. 2007 Sep. 30 [cited 2026 Oct. 21];23(104):13-26. Available from: https://elearning.icesi.edu.co/revistas/index.php/estudios_gerenciales/article/view/236