TY  - BOOK
AU  - Frank, Christine
AU  - Rinvolueri, Mario
AU  - Berer, Marge
TI  - Challenge to think student book
SN  - 019453250X
U1  - 428.34 
PY  - 1982///
CY  - Oxford
PB  - Oxford University Press
KW  - English language - Textbook for foreign speakers
KW  - English language - Spoken English
ER  -