TY  - BOOK
AU  - O'Brien, James A
TI  - Management informayion systems: managing information technology in the business enterprise
SN  - 0-07-058739-6
U1  - 658.4038 O'Br 
PY  - 2004///
CY  - Tata McGraw Hill, New Delhi
KW  - Commerce and Management
ER  -