@book{3856,
	author = {Fuenzalida Faivovich, Edmundo and Galtung, Johan},
	title = {Teoría y métodos de la investigación social},
	publisher = {EUDEBA (Editorial Universitaria de Buenos Aires)},
	year = {1978},
	address = {Buenos Aires :},
	edition = {5a. ed.},
	url = {https://www.biblioeco.unsa.edu.ar/pmb/images/libros/L127040.jpg}
}