TY  - BOOK
AU  - Bono, Edward de
TI  - Edward de bono practical thinking: 4 ways to be right, 5 ways to be wrong, 5 ways to understand
SN  - 0-14-013783-1
U1  - 153.42 Bon 
PY  - 1991///
CY  - Penguin group, London
ER  -