TY  - BOOK
AU  - O'Brien, James A
AU  - Marakas, George M Behl, Ramesh 
TI  - Management information systems
U1  - 658.4038011 OBR  
PY  - 2007///
CY  - New Delhi
PB  - Tata Mcgraw-Hill publishing company ltd
N1  - Includes index 
ER  -