@book{297053,
	author = {Berganza Conde, María Rosa},
	title = {Investigar en comunicación :},
	publisher = {McGraw-Hill España,},
	year = {2005.},
	address = {Madrid :},
	url = {https://login.ezproxy.pucpr.edu/login?url=https://ebookcentral.proquest.com/lib/pucpr-ebooks/detail.action?docID=3195202}
}