TY  - BOOK
AU  - Whitten, Jeffrey L
AU  - Bentley, Lonnie D
TI  - System analysis and design methods
U1  - 004.42 
PY  - 2007///
CY  - New Delhi
PB  - Tata McGraw Hill
KW  - Computer Science
KW  - System Analysis
KW  - System Design
ER  -