@book{54079,
	author = {Torre San Cristóbal, Pedro Ma de la,},
	title = {El Mutualismo de Previsión Social /},
	publisher = {CIRIEC-España,},
	year = {2003.},
	address = {Valencia :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://elibro.net/ereader/bibliocun/8725}
}