@book{137875,
	author = {Villanueva, Julián,},
	title = {Marketing estratégico /},
	publisher = {EUNSA,},
	year = {2017.},
	address = {Pamplona :},
	note = {Incluye índice.},
	url = {https://elibro.net/ereader/politecnicointernacional/47326}
}