The heart of the matter: high-intermediate listening, speaking, and critical thinking - Vai, Marjorie (Boston, Massachusetts Heinle & Heinle, 1998)
Tape 1. Units. 1 and 2 (33-30), 3 and 4 (26-35) -- Tape 2. 5-7 (36-25), 8 and 9 (21-45)
Keywords: INGLES; TEXTOS PARA EXTRANJEROS; PENSAMIENTO CRITICO; PENSAMIENTO CRITICO; ATENCION