@book{53973,
	author = {Téllez Tolosa, Luis Roberto, and Vallejo Sierra, Ruth Elena,},
	title = {Hacia un plan de mercadeo para unidades de información :},
	publisher = {Universidad de la Salle,},
	year = {[2012]},
	address = {Bogotá D.C. :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/65632/}
}