Active listening : building skills for understanding, cassettes - Helgesen, Marc; Brown, Steven 1952- (New York, New York : Cambridge University Press, 1995)
Contenido: Casete 1., L. 1 Before you begin, units 1-4 (40 min.). L. 2. Units 5-10 (43 min.)--Casete 2. L. 3. Units 12-15 (34 min.). L. 4. Units 16-20 (37 min.)
Keywords: INGLES; TEXTOS PARA EXTRANJEROS; EDUCACION AUDIOVISUAL