@book{93150,
	author = {Piattini Velthuis, Mario G.,},
	title = {Calidad de sistemas de información /},
	publisher = {Ra-Ma,},
	year = {[2019]},
	address = {Paracuellos de Jarama, Madrid :},
	edition = {5a edición ampliada y actualizada.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/110164/}
}