@book{297042,
	author = {Gutiérrez Martínez, Francisco.},
	title = {Teorías del desarrollo cognitivo /},
	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=3195069}
}