Six thinking hats /
De Bono, Edward, 1933-
Six thinking hats / Edward de Bono. - London ; Penguin Books : c1985. - 207 p. ; 23 cm.
9780141033051
89137944
Creative thinking.
Problem solving.
BF441 / .D385x 1986
Six thinking hats / Edward de Bono. - London ; Penguin Books : c1985. - 207 p. ; 23 cm.
9780141033051
89137944
Creative thinking.
Problem solving.
BF441 / .D385x 1986