TY  - BOOK
AU  - Aggarwal K.K
AU  -  Singh Yogesh
TI  - Software engineering
U1  - D6,8(B),2, (P8)(P8;1)(P8;2)(P8;3)(P8;4) 
PY  - 2001///
CY  - New Delhi
PB  - New Age     
KW  - Applied Operation Research
ER  -