TY  - BOOK
AU  - O'Brien, James A.
TI  - Introduction to information systems : essentials for the E-business enterprise / James A. O'Brien.- 11th ed
SN  - 0071151095 (International ed.)
U1  - 658.4038 OBR 
CY  - Boston : McGraw-Hill/Irwin, c2003.
KW  - Business -- Data processing.               Management -- Data processing.               Management information systems
ER  -