TY  - BOOK
AU  - Doff, Adrian
AU  - Jones, Christopher
TI  - Language in Use Intermediate Self-study Workbook with Answer Key / 
SN  - 9780521435543
PY  - 1994///
CY  - Cambridge : 
PB  - Cambridge University Press, 
KW  - Teaching and learning
KW  - Englisjh
ER  -