TY  - BOOK
AU  - Whitten, Jeffrey L.
AU  - Bentley, Lonnie D.
TI  - Systems analysis and design methods
SN  - 0070445397
U1  - 003 
PY  - 2000///
CY  - New Delhi
PB  - Tata Mcgraw-Hill
KW  - Systems Design
KW  - Systems Analysis
ER  -