ROMERO, J. The theory of the customs union and its relevance for Mexico facing the Free Trade Agreement with the United States and Canada. Estudios Económicos de El Colegio de México, [S. l.], v. 6, n. 2, p. 231–270, 1991. DOI: 10.24201/ee.v6i2.311. Disponível em: https://estudioseconomicos.colmex.mx/index.php/economicos/article/view/311. Acesso em: 24 apr. 2024.