TY  - BOOK
AU  - Whitten, Jeffrey L; Bentley, Lonnie D.
TI  - System analysis and design methods
SN  - 9780070634176
U1  - 004.21 WHIJ 
PY  - 2007///
CY  - New Delhi
PB  - Tata McGraw Hill Publishing Company Ltd
KW  - System Analysis & Design
ER  -