Hoffer, Jeffrey A. Modern systems analysis and design / Jeffrey A. Hoffer, Joey F. George, Joseph S. Valacich. - 6th ed. - Upper Saddle River, N.J. : Pearson Prentice Hall, 2011 [1432]. - xxviii, 547 p. : ill. (some col.) ; 29 cm. Includes bibliographical references and index. ISBN: 9780135094891 0135094895 Subjects--Topical Terms: System design.System analysis. Dewey Class. No.: 005.12 / H J M