TY  - BOOK
AU  - Whitten,Jeffery L.
AU  - Bentley,Lonnie D.
AU  - Dittman,Kevin C.
TI  - System Analysis & Design Methods
SN  - 0070582246
PY  - 2005///
CY  - New Delhi
PB  - Tata Mc Graw Hill
ER  -