@book{39485,
	author = {Gonzalez de la Peña, Penélope,},
	title = {Manual práctico del DB HE 1 :},
	publisher = {Ediciones Experiencia},
	year = {[2012]},
	address = {Barcelona :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/37004/}
}