TY  - BOOK
AU  - Whitten,Jeffrey L..
AU  - Bentley,Lonnie D..
TI  - Systems analysis and design methods / 
SN  - 8175152591
U1  - 004.338 
PY  - 1999///
CY  - New Delhi : 
PB  - Galgotia Publishers , 
KW  - SYSTEM ANALYSIS
N1  - NULL
ER  -