VALERO-MATAS, J., 		COCA, J., & 		MIRANDA-CASTAÑEDA, S.
(2010).
 The migratory flows in Spain: an analysis of the migration and immigration input from  European Union.
<em>Papeles de Población, 16</em>(65).
Consultado de <a href="https://rppoblacion.uaemex.mx/article/view/8501" target="_new">https://rppoblacion.uaemex.mx/article/view/8501</a>