Six frames : for thinking about information /
Edward de Bono
- London : Vermilion, c2008
- x, 127 p. : ill. ; 22 cm.
Preface. - Introduction. - 1. Purpose: the triangle frame. - 2. Accuracy: the circle frame. - 3. Point of view: the square frame. - 4. Interest: the heart frame. - 5. Value: the diamond frame. - 6. Outcome: the slab frame. -