De Bono, Edward, 1933- Opportunities : a handbook of business opportunity search / Edward de Bono - Harmondsworth : Penguin, |c 1983, 1983, c1978 - 251p. : ill. ; 18cm - Pelican books . Originally published: London : Associated Business Programme, 1978 ISBN: 0140222332 (pbk) Dewey Class. No.: 153.42 BON