TY  - BOOK
AU  - O'Brien, James A. Marakas, George M.
TI  - Management information systems
SN  - 70620032
U1  - 658.05  OBR1;31  R 
PY  - 2007///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Management,information,systems
ER  -