TY  - BOOK
AU  - Whitten, Jeffrey L
AU  - Bentley, Lonnie D
TI  - Systems analysis and design method
SN  - 70634173
U1  - 003 WHI/S 
PY  - 1999///
CY  - New Delhi
PB  - Tata McGraw Hill
KW  - SYSTEMS ANALYSIS
ER  -