De Bono, Edward, 1933-
Six thinking hats / Edwards De Bono - Middlesex, England : Penguin Group, 1985 - 207p. ; 20cm
014013784X (pbk.)
Creative thinking
Problem solving
158.1` BON
Six thinking hats / Edwards De Bono - Middlesex, England : Penguin Group, 1985 - 207p. ; 20cm
014013784X (pbk.)
Creative thinking
Problem solving
158.1` BON
