Hoffer, Jeffrey A. Modern systems analysis and design / Jeffrey A. Hoffer, Joey F. George, Joseph S. Valacich. - 6th ed. - Boston : Prentice Hall, c2011. - xxviii, 547 p. : ill. (some col.) ; 29 cm. Includes bibliographical references and index. ISBN: 013608821X (alk. paper) 9780136088219 (alk. paper) LCCN: 2009043559 Subjects--Topical Terms: System analysis.System design. LC Class. No.: QA 76.9 S88 / H61 2011 Dewey Class. No.: 005.1/2