TY  - BOOK
AU  - O®Brien,James A.
TI  - Management information systems: a managerial end user perspective 
SN  - 0256078629
AV  - T58.6 .O26 1990
U1  - 658.4/038 20
PY  - 1990///
CY  - Homewood, IL
PB  - Irwin
KW  - Management information systems
N1  - Includes bibliographical references
ER  -