TY  - BOOK
AU  - O'Brien, James A.
TI  - Management information systems: a managerial end user perspective
SN  - 0256103461
U1  - GC 658.4038 Ob6 1993 
PY  - 1993///
CY  - Burr Ridge
PB  - Irwin
KW  - Management information systems
N1  - Includes index
ER  -