Zamora: El Colegio de Michoacán, El Colegio de la Frontera Norte, Instituto Mora, 2021. First Edition. Paperback. 157p., tables, indices, wrps. This text provides a current, theoretically and ethnographically supported view of Central American migration to the United States. Underlines the way in which structural changes have had direct effects..... More about Las zonas grises de la migración. Centroamérica - México - Estados Unidos