TY  - BOOK
AU  - Whitten,Jeffrey L  .
AU  - Bentley,Lonnie D.
AU  - Dittman,Kevin C.
TI  - Systems analysis and design methods / 
SN  - 0-07-044539-7
U1  - 658.4032 
PY  - 2001///
CY  - New Delhi : 
PB  - Tata Mc Graw Hill , 
KW  - System analysis and design
ER  -