TY  - BOOK
AU  - Azar,Betty Schrampfer
AU  - Hagen,Stacy A.
TI  - Basic english grammar: teacher's guide 
SN  - 9780131849297
AV  - PE1128  .A92 2006
PY  - 2006///
CY  - New York
PB  - Longman
KW  - English language
KW  - Grammar
KW  - Study and teaching
ER  -