00286pam a2200109 a 4500020000500000041000500005082001600010245009600026250001000122260002700132300001700159  c  h  a153.42bBON  aEdward  De Bono  Six  Thinking HatsbEdward  De Bono  Six  Thinking HatshTextual Documents  a1999.  a[s.l]:bpenguin Books.  a177:bpaper.