De Bono, Edward, 1933-
The 5 day course in thinking - Harmondsworth : Penguin, 1969 - 160p 20cm - (Pelican book. no. A1014.) .
With a card, 'The L game', as insert.
0140210148
153.42 BON
The 5 day course in thinking - Harmondsworth : Penguin, 1969 - 160p 20cm - (Pelican book. no. A1014.) .
With a card, 'The L game', as insert.
0140210148
153.42 BON