TY  - BOOK
AU  - Gopalakrishnan, P N
AU  - Gopalakrishnan,P N
TI  - Book of Verbs
SN  - 9788172735135
U1  - 425 
PY  - 2009///
CY  - Delhi 
PB  - Author Press 
KW  - English-Grammar
N1  - includes index and biblioraphy
ER  -