@book{71026,
	author = {Samper, Mario and Samper, Mario},
	title = {Crisis y transformaciones del mundo del café :},
	publisher = {Editorial Pontificia Universidad Javeriana, },
	year = {2012},
	address = {[Bogotá, Colombia] :},
	url = {https://public.digitaliapublishing.com/a/19509}
}