@book{87958,
	author = {Cuervo, Marina, and Diéguez, Jesús,},
	title = {Mejorar la expresión oral :},
	publisher = {Visión Libros,},
	year = {[2011]},
	address = {Madrid, España :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/88845/}
}