TY  - GEN
AU  - Thomson , A.J.
AU  - Martinet , A.V. 
TI  - A Practical english grammar: exercises 2
SN  - 9780195620559
U1  - 425 
PY  - 1961///
CY  - Mumbai
PB  - Oxford university press
KW  - WRITING AND SPEECH
KW  - ENGLISH GRAMMAR PRACTICE
KW  - ENGLISH LANGUAGE
ER  -