TY - BOOK AU - Shelly, Gary B AU - Cashman, Thomas J AU - Rosenblatt, Harry J TI - Systems analysis and design methods SN - 9788131505496 SN - 200727713 U1 - 004.21 SHE PY - 2006/// CY - New Delhi PB - Cengage Learning KW - System analysis KW - System design ER -