TY  - BOOK
AU  - Jeffrey L. Whitten
TI  - Systems Analysis And Design Methods
SN  - 0-256-19906-x
U1  - 004.21 
PY  - 1998///
CY  - New york
PB  - McGraw Hill
KW  - Computer
KW  - System analysis methods, System design And Design methods, Cross life cycle
ER  -