Díaz Restrepo, Carlos Andrés, and Marlen Isabel Redondo Ramírez. “Efficiency of Forward As an Instrument for Exchange Risk Coverage in Companies Performing Foreign Trade Operations, 2011-2017”. Semestre Económico 22, no. 51 (April 1, 2019): 45–62. Accessed May 27, 2026. https://revistas.udem.edu.co/index.php/economico/article/view/2965.