@book{8258,
	author = {Bland, David J. and Osterwalder, Alex},
	title = {Cómo testar ideas de negocio},
	publisher = {Ésteri},
	year = {2022},
	address = {Zaragoza :},
	url = {https://www.biblioeco.unsa.edu.ar/pmb/images/libros/L129416.jpg}
}