TY  - BOOK
AU  - STERN,George
TI  - An Outline of English Grammar: : With Exercises and Answer Key 
SN  - 981-4107-33-6
U1  - 425. 
PY  - 2004///
CY  - Singapore
PB  - Learners Publishing
KW  - 0
KW  - Grade 7-9
ER  -