@book{87774,
	author = {Neffa, Julio César. and Panigo, Demian T. and e-libro, Corp.},
	title = {Actividad, empleo y desempleo},
	publisher = {Ceil-Piette Conicet :},
	year = {c2005.},
	address = {Buenos Aires, Argentina :},
	edition = {[3a ed. aum. y rev.]},
	url = {https://elibro.net/ereader/politecnicointernacional/79025}
}