TY  - BOOK
AU  - Doff,Adrian
AU  - Jones,Christopher
TI  - Language in use: upper-intermediate : classroom book 
SN  - 052155507
U1  - 428.24 
PY  - 1997///
CY  - Cambridge, U.K.
PB  - Cambridge University Press
KW  - English language
KW  - Textbooks for foreign speakers
N1  - Class cassette set A (48 min.)  Units 1-9. - Class cassette B (55 min.) Units 10-16. -  Self-study 1 (60 min.) Units 1-16; Language in use : upper- intermediate : self-study  workbook / Adrian Doff, Christopher Jones (83p. ; 30 cm.), 1997. ISBN 0521555493; Language in use : upper- intermediate : self-study  workbook with answer key / Adrian Doff, Christopher Jones (95p. ; 30 cm.), 1997. ISBN 0521555493; Language in use :upper- intermediate :  teacher's book / Adrian Dolf, Christopher Jones (130 p. ; 30 cm.), 1997. ISBN 0521555485
ER  -