@book{90271,
	author = {Lago Peñas, Carlos,},
	title = {¿Por qué? :},
	publisher = {INDE,},
	year = {2021.},
	address = {[Barcelona] :},
	edition = {Primera edición.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/103481/}
}