TY  - BOOK
AU  - De Bono,Edward
TI  - Six thinking hats
AV  - BF441 D426S
PY  - 1990///
CY  - London
PB  - Penguin
KW  - THOUGHT AND THINKING
KW  - CREATIVENESS
KW  - THINKING
KW  - CREATIVE ABILITY
ER  -