FERRERO, Ruth. From east to west. Enlargement and migration flows. Migraciones. Publicación del Instituto Universitario de Estudios sobre Migraciones, [S. l.], n. 21, p. 59–75, 2014. Disponível em: https://revistas.comillas.edu/revistamigraciones/article/view/2873. Acesso em: 3 aug. 2026.