TY - BOOK AU - Shelly, Gary B AU - Cashman, Thomas J AU - Rosenblatt, Harry J TI - Systems analysis and design methods SN - 9788131505496 AV - T57.6 .S9775 1991 U1 - 004.21 22 PY - 2006/// CY - Australia PB - Cengage Learning KW - System analysis KW - System design N1 - Includes index ER -