@book{103850,
	author = {O'Shaughnessy, John, and O'Shaughnessy, John.},
	title = {Marketing competitivo :},
	publisher = {Ediciones Díaz de Santos,},
	year = {[2022]},
	address = {[Madrid, España] :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/136585/}
}