@book{2821,
	author = {Senlle, Andrés and Stoll, Guillermo},
	title = {Calidad total y normalización},
	publisher = {Gestión 2000},
	year = {1994},
	address = {Barcelona :},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/L65208.jpg}
}