TY  - BOOK
AU  - Azar,Betty Schrampfer
TI  - Understanding and using English grammar: with answer key 
SN  - 0130976059
AV  - PE1128 .A973 2000
U1  - 428.24 22
PY  - 2002///]
CY  - White Plains, N.Y., [Great Britain]
PB  - Longman
KW  - English language
KW  - Grammar
KW  - Problems, exercises, etc
KW  - Textbooks for foreign speakers
N1  - Includes index; Previous ed. : 1993
ER  -