@book{54033,
	author = {Valdés Alonso, Alberto,},
	title = {La regulación del trabajo por cuenta propia o autónomo :},
	publisher = {CIRIEC-España,},
	year = {2005.},
	address = {Valencia :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://elibro.net/ereader/bibliocun/8668}
}