1. 01. English Non Fiction Lateral thinking : creativity step by step / by De Bono, Edward, Publication: New York : Harper & Row, 1973 . 300 p. : , Originally published: New York : Harper & Row, 1970. 21 cm. Date:1973 Availability: Copies available: (1), Actions:
2. 12. Miscellaneous Teaching thinking / by De Bono, Edward, Publication: London : Penguin, 1991 . 238 p. : 23 cm. Date:1991 Availability: Copies available: (1), Actions: