00863nam a2200217Ia 4500 CTU_171966 210402s9999 xx 000 0 und d 428.3 H474/CD.1-4 Helgesen, Marc Active listening : Expanding understanding through content Marc Helgesen, Brown, Smith New York Cambridge University 1999 Four Audio CDs are provided to supplement the listening tasks found in the Student's Book. The listening program is also available on Audio Cassettes. Listening,English language,Nghe,Tiếng Anh Problems, exercises, etc,Study and teaching,Những vấn đề, các bài tập,...,Dạy và học Phỉ Trung tâm Học liệu Trường Đại học Cần Thơ