@book{65275,
	author = {Puchol, Luis, and Puchol, Isabel,},
	title = {El libro de la negociación /},
	publisher = {Díaz de Santos,},
	year = {[2021]},
	address = {Madrid, [España] :},
	edition = {Quinta edición.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/136017/}
}