FERNÁNDEZ GUZMÁN, E. Discussion on macro, meso and microstructures in the mass migration Mexico-United States: late twentieth century and the early twenty-first. A different perspective to understanding the phenomenon of great importance for Mexico. Acta Universitaria, [S. l.], v. 22, n. 7, p. 37–46, 2012. DOI: 10.15174/au.2012.372. Disponível em: https://www.actauniversitaria.ugto.mx/index.php/acta/article/view/372. Acesso em: 19 abr. 2024.