TY  - BOOK
AU  - OBrien,James A.
TI  - Management information systems: a managerial end user perspective 
SN  - 818601179X
AV  - T58.6 .O26 1990
PY  - 1990///
CY  - New Delhi
PB  - Galgotia Publications
KW  - Management information system
KW  - Information systems management
ER  -