@book{232,
	author = {Hernández Sampieri, Roberto and Fernández Collado, Carlos},
	title = {Metodología de la investigación},
	publisher = {Mc Graw Hill,},
	year = {2014},
	address = {México :},
	edition = {6 ed.},
	url = {https://itmsp.museknowledge.com/UOH?qurl=https://libros-uoh.uoh.cl//ebook_2/metodologia-de-la-investigacion/}
}