TY  - BOOK
AU  - Azar, Betty Schrampfer
TI  - Understanding and using: English grammar with answer key
SN  - 0130976059
U1  - 428.24 
PY  - 2002///
CY  - New York
PB  - Pearson Education
KW  - English language
KW  - Textbooks for foreign speakers.
KW  - Grammar
KW  - Problems, exercises, etc
N1  - Includes Index
ER  -