TY - BOOK AU - Wallwork, Adrian TI - Discussions A-Z Intermediante : : a resource book of speaking activities SN - 0 521 55981 2 U1 - 428.3 PY - 2001/// CY - New York : PB - Cambridge university press, KW - INGLES-PROBLEMAS Y EJERCICIOS KW - INGLES-LIBROS DE TEXTO ER -