LOMBANA COY, Jahir Enrique. Competitiveness and trade policy problems in agricultural exports: The case of Colombia. Doctoral thesis project. Revista Universidad y Empresa, [S. l.], v. 3, n. 3-4-5, p. 46–62, Disponível em: https://revistas.urosario.edu.co/index.php/empresa/article/view/2732. Acesso em: 2 abr. 2026.