Valacich, Joseph S. Modern systems analysis and design / Joseph S Valacich and Joey F George - 8th ed. - Boston : Pearson Education Limited, c2017. - 544 p. : ill. ; 26 cm. ISBN: 9781292154145 Subjects--Topical Terms: System analysis.BUSINESS & ECONOMICS -- Industrial Management.System design. Dewey Class. No.: 005.12 / VAL/M