@book{69663,
	author = {Padua, Jorge and Padua, Jorge},
	title = {Técnicas de investigación aplicadas a las ciencias sociales},
	publisher = {Fondo de Cultura Económica, },
	year = {1979},
	series = {Sociología},
	address = {[México D.C., Mexico] :},
	url = {https://public.digitaliapublishing.com/a/65062}
}