@book{68717,
	author = {Kieffer, Robert E. De, and Albert, Rosa.,},
	title = {Enseñanza audiovisual /},
	publisher = {Centro Regional de Ayuda Técnica, Agencía para el Desarrollo Internacional ;},
	year = {1968.},
	address = {Buenos Aires :},
	note = {Traducido de: Audivisual instruction.}
}