Six Thinking Hats
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The internationally bestselling guide to better thinking used by tens of thousands of people - fully revised and updated. The need for the Six Hats
NEU! Persönliche Bücherabgabe in Berlin.
NEU! Persönliche Bücherabgabe in Berlin.
The internationally bestselling guide to better thinking used by tens of thousands of people - fully revised and updated. The need for the Six Hats
