TY  - BOOK
AU  - Sommerville,L .
TI  - Software engineering
SN  - 9788131724613
U1  - 005.1 8th ed .
PY  - 2009///
CY  - New Delhi
PB  - Dorling kindersley pvt. Ltd.
KW  - Software testing
N1  - Include index
ER  -