@book{4345,
	author = {Corbetta, Piergiorgio,},
	title = {Metodología y técnicas de investigación social /},
	publisher = {McGraw Hill,},
	year = {c2007.},
	address = {Madrid, España :},
	edition = {Edición revisada.},
	note = {Incluye índice.},
	url = {https://itmsp.museknowledge.com/UOH?qurl=https://libros-uoh.uoh.cl//ebook_3/metodologia-y-tecnicas-de-investigacion-social/}
}