@book{53513,
	author = {Dueñas Díez, Carlos de,},
	title = {Las colonias escolares segovianas :},
	publisher = {Universidad Nacional de Educación a Distancia,},
	year = {2022.},
	series = {Otras publicaciones ;},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://elibro.net/ereader/bibliocun/218275}
}