Doff, Adrian. Language in use intermediate : self-study workbook A with answer key / Adrian Doff & Christopher Jones. - Cambridge : Cambridge Univ. Press, 1994. - 136 p. With 2 cassettes: Self Study Cassette A & B. ISBN: 0521435560 Subjects--Topical Terms: English as a second language. Dewey Class. No.: 428.24 DO LA