Shelly, Gary B. Cashman, Thomas J. Rosenblatt, Harry J. Systems analysis and design methods / Gary B. Shelly, Thomas J. Cashman, Harry J. Rosenblatt - Canada Cengage Learning 2010 - 631 p. ISBN: 8131505496 Subjects--Topical Terms: System analysis and design Dewey Class. No.: 004.21 / SHE