TY - BOOK AU - O'Brien,James A. AU - O'Brien,James A. TI - Introduction to information systems SN - 0256118841 AV - HF5548.2 .Ob76 1994 U1 - 658/.05 20 PY - 1994/// CY - Burr Ridge, Ill. PB - Irwin KW - Business KW - Data processing KW - Management N1 - Rev. ed. of : Introduction to information systems in business management. 6th ed. c1991; Includes bibliographical references and indexes ER -