00679nam a2200241Ia 4500 OSt 20231006150529.0 210716s1999 xx 000 0 und d 0316178314 AIMIT LIBRARY eng 374.22 1 BONE Bono, Edward De. 136468 Six thinking hats / By Edward De Bono. 1st ed. New York : Little Brown and Company , 1999. xiii,173p. ; 20.7 cm General Management 136469 The black hat 136470 The yellow hat 136471 The green hat 136472 ddc BK 374 BONE. 201642 201642 0 0 0 0 MBA AIMIT AIMIT 2006-11-16 624.00 0 374.22 BONE MBA04208 2026-05-23 00:00:00 499.20 2021-07-16 BK