@book{62173,
	author = {Artés Ortuño, Manuel and Artés Ortuño, Manuel},
	title = {Variables exógenas cualitativas},
	publisher = {UOC Papers, },
	year = {2002},
	address = {[Madrid, España] :},
	url = {https://public.digitaliapublishing.com/a/5763}
}