Trochez Gonzalez, Johanna, Marisol Valencia Cárdenas, and Juan Carlos Salazar Uribe. “The Effects of the Free Trade Agreement With the United States and the Prices of Colombian Corn”. Apuntes del Cenes 37, no. 65 (February 6, 2018): 151–172. Accessed March 29, 2024. https://revistas.uptc.edu.co/index.php/cenes/article/view/5988.