TY  - BOOK
AU  - Gude, Kathy
AU  - Duckworth, Michael 
TI  - Proficiency masterclass: Student's book
SN  - 194329127
U1  - 428.0071 
PY  - 2002///
CY  - Oxford
PB  - McGrawHill Contemporary
KW  - English language
KW  - Textbooks for foreign speakers
KW  - Examinations, questions, etc
KW  - Examinations
KW  - Study guides
N1  - 004464; F 314
ER  -