@book{297183,
	author = {Pedrós Piñón, María. and Arrabal, Gonzalo.},
	title = {Manual SEO :},
	publisher = {Bubok Publishing,},
	year = {2018.},
	address = {Madrid :},
	url = {https://login.ezproxy.pucpr.edu/login?url=https://ebookcentral.proquest.com/lib/pucpr-ebooks/detail.action?docID=5425667}
}