PELAYO MARTÍNEZ, A. Free Trade?: Informal Economies at the U.S.-Mexico Border. Frontera Norte, [S. l.], v. 12, n. 24, p. 171–175, 2017. DOI: 10.17428/rfn.v12i24.1391. Disponível em: https://fronteranorte.colef.mx/index.php/fronteranorte/article/view/1391. Acesso em: 24 sep. 2022.