TY  - GEN
AU  - De Bono, Edward
TI  - Five-day course in thinking
SN  - 978-1-78504-086-3
U1  - 153.42 
PY  - 1967///
CY  - London
PB  - Vermilion
KW  - Problem solving.
KW  - Creative thinking
N1  - The first 5-day course in thinking --
The second 5-day course in thinking --
The third 5-day course in thinking
ER  -