TY  - BOOK
AU  - OBrien,James A.
TI  - Introduction to information systems
SN  - 0072423242
AV  - HF5548.2 .O23 2001
U1  - 658.4038 
PY  - 2001///
CY  - Boston
PB  - McGraw-Hill/Irwin
KW  - Business
KW  - Data processing Management
KW  - Data processing Information systems
ER  -