TY  - BOOK
AU  - Oxenden, Clive
AU  - Koenig, Christina Latham; Martin Beatriz
AU  - Koenig, Christina Latham; Martin Beatriz
TI  - New English FileUpper- Intermediate Teacher's Book: Upper- Intermediate Teacher's Book
SN  - 9780000000000
U1  - 420/OXE/N 
KW  - English language --Study and teaching --United States
N1  - 22176
ER  -