TY  - BOOK
AU  - Alter,J.B
TI  - Essential english usage & grammar (1)
SN  - 9620501454
U1  - 418 23
PY  - 1979///
CY  - Singapore : 
PB  - Times Educational , 
KW  - English language - Grammar ; English language - Usage
N1  - Includes index ; Book 1
ER  -