TY  - BOOK
AU  - Azar,Betty Schrampfer
TI  - Understanding and using English grammar
SN  - 013958661X
PY  - 1999///-
CY  - Upper Saddle River, NJ
PB  - Prentice Hall Regents
KW  - English language
KW  - Textbooks for foreign speakers
KW  - Grammar
KW  - Problems, exercises, etc
KW  - Inglés
KW  - Gramática comparada
KW  - Problemas, ejercicios, etc
N1  - Includes index
ER  -