@book{6836,
	author = {León, Orfelio G. and Montero Ruiz, Ignacio,},
	title = {Métodos de investigación en Psicología y Educación :},
	publisher = {McGraw-Hill,},
	year = {2020},
	address = {Madrid :},
	edition = {4ª edición revisada.},
	url = {https://itmsp.museknowledge.com/UOH?qurl=https://libros-uoh.uoh.cl//ebook_3/metodos-de-investigacion-en-psicologia-y-educacion/}
}