Shelly, Gary B. Systems analysis and design / Gary B. Shelly, Harry J. Rosenblatt. - 9th ed. - Boston, MA : Course Technology/Cengage Learning, c2012. - xx, 737 p. : col. ill. ; 27 cm. - Shelly Cashman Series . Includes index. ISBN: 9780538481618 LCCN: 2010943248 Subjects--Topical Terms: System design.System analysis. Dewey Class. No.: 004.21