@book{102555,
	author = {Ospina Botero, Mireya,},
	title = {Un escalón más... :},
	publisher = {Universidad Católica de Pereira,},
	year = {[2017]},
	series = {Colección Maestros ;},
	address = {Pereira :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/133325/}
}