Six Thinking Hats
BONO, Edward de
Six Thinking Hats - London Penquin Book Publishing 1999 - vii, 177p.
0-14-029666-2
Thought and thinking
Problem Solving
150.195
Six Thinking Hats - London Penquin Book Publishing 1999 - vii, 177p.
0-14-029666-2
Thought and thinking
Problem Solving
150.195