@book{243639,
	author = {Ortiz Velásquez, Mauricio,},
	title = {Marketing: conceptos y aplicaciones /},
	publisher = {Editorial Universidad del Norte ;},
	year = {2014.},
	address = {Barranquilla, Colombia :},
	edition = {Primera edición.},
	url = {https://www.digitaliapublishing.com/a/37575/}
}