Valacich, Joseph S., 1959- Essentials of systems analysis and design / Joseph S. Valacich, University of Arizona, Joey F. George, Iowa State University, Jeffrey A. Hoffer, University of Dayton. - Fitth edition. - xxv, 428 pages : illustrations ; 27 cm Includes bibliographical references and index. ISBN: 9781292023496 Subjects--Topical Terms: System design.System analysis. LC Class. No.: QA76.9.S88 / V345 2015 Dewey Class. No.: 003 / VJE