@book{8630,
	author = {Programa de las Naciones Unidas para el Desarrollo (PNUD) and Diallo, Djibril},
	title = {Opciones},
	publisher = {PNUD},
	year = {1990},
	address = {New York :},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/revistas/Opciones-r13553.jpg}
}