00000cam a22000003a 4500 UP-1685594773861529382 Buklod 20080312160340.0 j|||||||||||||| | ta 150302s1991 ilua rb |||| u|eng d 0256088551 (iLib)UPBAG-00002132561 DLC BAG rda eng HF 5548.2 O24 1991 O'Brien, James A. 1936- author. Introduction to information systems in business management James A. O'Brien. Sixth edition. Homewood, Ill. Irwin 1991. 515 pages illustrations (some color) 27 cm Revised ed. of: Information systems in business management. Includes bibliographical references and index. Business Data processing. Management Data processing. FO UPBAG UPBAG-MAIN HF 5548.2 O24 1991 Book