Master Thinker : six thinking hats / Edward de Bono
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| Main Authors: | Bono, Edward de (Author) |
|---|---|
| Format: | Book |
| Language: | German |
| Published: | 1997 |
| Main Authors: | Bono, Edward de (Author) |
|---|---|
| Format: | Book |
| Language: | German |
| Published: | 1997 |
