TY  - GEN
AU  - Murphy , Raymond
TI  - Essential grmmar in use: a self- study reference and practice book for elementary students of english with answers
SN  - 9780521357708
U1  - 425 
PY  - 1990///
CY  - Cambridge
PB  - Cambridge university press
KW  - REFERENCE AND PRACTICE
KW  - GRAMMAR PRACTICE
KW  - ENGLISH LANGUAGE
KW  - SELF STUDY
ER  -