Understanding information systems What they do and why we need them /

Eitemau Tebyg

• Understanding information systems:What they do and why we need them
  gan: Ratzan,Lee
  Cyhoeddwyd: (2009)
• Understanding information systems /
  gan: Ratzan, Lee .
  Cyhoeddwyd: (2008)
• Understanding Information Systems :What they do and why we need them
  gan: Ratzon,Lee
  Cyhoeddwyd: (2009)
• Information Systems.
  gan: Vickery, B.C
  Cyhoeddwyd: (1973)
• Understanding information systems /
  gan: Rastan, Lee .
  Cyhoeddwyd: (2008)