RANDALL, S. J. Canada, the United States and Mexico: the development of trilateralism. Frontera Norte, [S. l.], v. 3, n. 6, 2017. DOI: 10.17428/rfn.v3i6.1607. Disponível em: https://fronteranorte.colef.mx/index.php/fronteranorte/article/view/1607. Acesso em: 30 ene. 2023.