De Bonos' thinking course /

Geahča maid

• De Bono's thinking course /
  Dahkki: De Bono, Edward, 1933-
  Almmustuhtton: (1985)
• Atlas of management thinking / Edward de Bono
  Dahkki: De Bono, Edward, 1933-
  Almmustuhtton: (1981)
• Six thinking hats: tools for parallel thinking /
  Dahkki: De Bono, Edward, 1933-
  Almmustuhtton: (1999)
• Edward De Bono methods : application in Malaysia context : 30 cases & 50 exercises /
  Dahkki: 216101 Ow, Alex, et al.
  Almmustuhtton: (2009)
• Lateral thinking / [kaset]
  Dahkki: De Bono, Edward, 1933-
  Almmustuhtton: ([19-)