00251nam a2200109Ia 4500 200302s9999 xx 000 0 und d Edward de Bono Six Thinking Hats Penguin Books Ltd. 1999 177 P., 5882 5882 0 0 ddc 0 0 BMSCA BMSCA 2020-03-03 519.70 2 153.42 CL-PGTQ2101 2026-07-27 13:30:36 2026-07-16 2020-03-03 CLPG S-05