MEDRANO, L. Tariff protection and trade agreements. Estudios Económicos de El Colegio de México, [S. l.], v. 14, n. 2, p. 217–229, 1999. DOI: 10.24201/ee.v14i2.224. Disponível em: https://estudioseconomicos.colmex.mx/index.php/economicos/article/view/224. Acesso em: 30 may. 2024.