TY  - BOOK
AU  - O'Brien,James A.
AU  - Marakas,George M.
TI  - Management information systems
SN  - 0256078629
U1  - 658.4083 20
PY  - 1990///
CY  - Homewood, IL
PB  - Irwin
KW  - Management information systems
N1  - Includes bibliographical references
ER  -