TY  - BOOK
AU  - Whitten, Jeffery L and Bentley, Lonnie D. and Dittman, Kevin C.
TI  - Systems Analysis and Design Methods
SN  - 9780070582248
U1  - 005.1 
PY  - 2004///
CY  - New Delhi
PB  - Tata Macgrawhill
ER  -