@book{278508,
	author = {Hernández Sampieri, Roberto. and Méndez Valencia, Sergio.},
	title = {Fundamentos de investigación /},
	publisher = {McGraw-Hill Interamericana,},
	year = {c2017.},
	address = {México :},
	url = {https://elibro.net/es/lc/pucpr/titulos/93468}
}