• 

  Revenue-Management (Teil 1) - - Hotelier

  https://web.archive.org/web/20151218075401/http://www.hotelier.ch/Web/HO.nsf/0/3851AA1B1675EBBBC1257B6C004C4924?OpenDocument&par

  Keine Beschreibung vorhanden.

• 

  Revenue-Management (Teil 1) - - Hotelier

  https://web.archive.org/web/20151218075401/http://www.hotelier.ch/Web/HO.nsf/0/3851AA1B1675EBBBC1257B6C004C4924?OpenDocument&parm=parm

  Keine Beschreibung vorhanden.

• 

  Dieter Müller-Elmau: Mit Fidelio fing alles an - - Hotelier

  http://wayback.archive.org/web/20150219231039/http://www.hotelier.ch/Web/HO.nsf/0/4A19AC9EBE02A207C1257964002BC1CE/

  Keine Beschreibung vorhanden.

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