TY  - BOOK
AU  - O'brien, James.A
TI  - Introduction to information system
SN  - 0-256-20937-5
U1  - 658.4038 OBR 
PY  - 1997///
CY  - NEWYORK
PB  - IRWIN MCGRAW HILL
KW  - BUSINESS-DATA PROCESSING MANAGEMENT-DATA PROCESSING INFORMATION SYSTEMS,INTRODUCTION
ER  -