Hoffer, Jeffrey A. Modern systems analysis and design / Jeffrey A. Hoffer, Joey F. George, Joseph S. Valacich. - 6th. ed. - New Delhi Pearson Education 2012 - 544p PB 28 cm. - computer . Includes bibliographical references and index. DE ISBN: 0130339903 9788131761410 LCCN: 2001021781 Subjects--Topical Terms: System design.System analysis. LC Class. No.: 005.12 HOJ M / book Dewey Class. No.: 005.12 HOJ M / book