TY - BOOK AU - O'Brien,James A. TI - Introduction to information systems: essentials for the internetworked enterprise SN - 0072297492 U1 - 658.4038 23 PY - 2000/// CY - Boston PB - Irwin/McGraw-Hill KW - Business KW - Data processing KW - Management N1 - Includes bibliographical references and indexes ER -