López -Sala, Ana. “Managing Uncertainty: Immigration Policies in Spain During Economic Recession (2008-2011)”. Migraciones Internacionales 7, no. 25 (April 3, 2017): 39–70. Accessed April 19, 2025. https://migracionesinternacionales.colef.mx/index.php/migracionesinternacionales/article/view/694.