00753nam a22002051 4500 1/20158 030911s2004 enk 0 1 eng d 0072823119 20745 DLC GR-PeUP 658.4'038 O'B O'Brien, James A. Management information systems : managing information technology in the business enterprise / James A. O`Brien 6th ed. Boston : Irvin/McGraw-Hill, 2004 xxix, 529 p. : ill. ; 29 cm. Includes bibliographical references and indexes Management information systems. INST UNIPILB MAIN 20040709 658.4'038 O'B 00141640 00141640 LOAN 0 1 /webopac/covers/01/20745_0072823119.jpg