Hoffer, Jeffrey A. Modern system analysis and design / Jeffrey A. Hoffer , Joey F. George , Joseph S. Valacich - 4th ed. - Upper Saddle River, NJ : Pearson/Prentice Hall, 2005. - xxxiii, 683 p. : ill. (some col.) ; 29 cm. Includes bibliographical references and index. ISBN: 0131273914 Subjects--Topical Terms: System design LC Class. No.: QA76.9.S88