@book{513979,
	author = {Card, D. and et al.},
	title = {What works? A meta analysis of recent active labor market program evaluations},
	publisher = {Institute for the Study of Labor},
	year = {2015},
	address = {Bonn},
	url = {http://www.siis.net/documentos/Path/What works. A meta analysis.pdf}
}