Effective Executive

Geahča maid

• THE EFFECTIVE EXECUTIVE
  Dahkki: DRUCKER , P.F
  Almmustuhtton: (1967)
• Effective executive
  Dahkki: Drucker, P
  Almmustuhtton: (1969)
• The Effective Executive
  Dahkki: Drucker, Peter
  Almmustuhtton: (2006)
• The Effective Executive
  Dahkki: Drucker, Peter F.
  Almmustuhtton: (2006)
• Effective Executive
  Dahkki: Drucker, Peter F.
  Almmustuhtton: (2004)