00910nam a2200229 i 4500 250714m19861967|||ao||| |||| 000 0 eng d 0-14-021014-8 GCL 153 BON Bono, Edward De THE 5 Day Course In Thinking / Edward De Bono THE 5 Day Course In Thinking / First Edition London : penguin Press, 1967. 160 pages : pbk . 20 cm. text rdacontent text unmediated n rdamedia volume nc rdacarrier The 5-Day Course in Thinking by Edward de Bono is a practical guide designed to improve thinking skills through structured exercises. It introduces three types of thinking—natural, mathematical, and lateral—to help readers develop clarity, creativity, and logical reasoning. Psychology ddc 0 0 ddc 0 153_000000000000000_BON 0 5589 LPL LPL 2025-07-14 0 153 BON 8652 2025-07-14 10:37:41 2025-07-14 BK 4667 4667