TY  - BOOK
AU  - Whitten, Jeffrey L.
AU  - Dittman, K.C.
TI  - Systems Analysis and Design Methods
U1  - 004.21 
PY  - 1999///
CY  - New Delhi
PB  - Galgotia Booksource
KW  - System Analysis and System Design
KW  - CS
ER  -