TY  - GEN
AU  - O'BRIEN, A. JAMES
AU  - George M. Marakas
TI  - Management Information Systems
SN  - 0-07-293588-X
U1  - 658.40 O'BR 
PY  - 2006///
CY  - New York
PB  - McGraw-Hill Irwin 
ER  -