TY  - GEN
AU  - O'BRIEN, A, J
TI  - Introduction to Information Systems: Essentials for the Interworked E-Business Enterprise
SN  - 0-07-242324-2
U1  - 658.4 OBR  
PY  - 2001///
CY  - New York
PB  - McGraw-Hill Irwin 
ER  -