TY  - BOOK
AU  - O'Brien 
AU  - Marakas, George M.
TI  - Management information systems 
SN  - 9780073511542 
U1  - 658.4038011 OBR 2008 
PY  - 2008///
CY  - Boston
PB  - McGraw-Hill Irwin
KW  - Management information systems
N1  - Includes bibliographical references and index
ER  -