VALACICH,Joseph Essentials of Systems Analysis and Design Joseph S.Valacich, Joey F. George and Jeffrey A. Hoffer - 2th - New-Jersey Prentice Hall 2004 - xxvii;460p ill; 28cm Includes References and Index ISBN: 0-13-101605-9 Subjects--Topical Terms: LC Class. No.: 001.64 / 22 Dewey Class. No.: 001.64 / 22