TY  - BOOK
AU  - De Bono,Edward
TI  - Practical Thinking
U1  - 158.1 21
PY  - 1971///
CY  - London
PB  - Penguin Books
KW  - Personal Progress
KW  - Success
N1  - Contents : 4 ways to be right -- 5 ways to be wrong -- 5 ways to understand
ER  -