TY  - BOOK
AU  - Valacich,Joseph S.
AU  - George, Joey F.
TI  - Essentials Of Systems Analysis And Design 
SN  - 978-81-203-3838-8 
U1  - 658.4038 
PY  - 2009///6
CY  - New Delhi
PB  - PHI Learning Private Limited 
KW  - Management,
ER  -