TY - BOOK AU - O'Brien,James TI - Introduction to information systems SN - 0256209375 U1 - 658.4038 PY - 1997/// CY - Chicago PB - Irwin KW - Information systems KW - Business-Data processing; Management-Data processing; Information technology; Hardware; Software; Business telecommunication; Database management; Business information system; Global management N2 - Business ER -