000 00300nam a2200133Ia 4500
100 _aEdward de Bono
020 _a0-14-029666-2
654 _aEng. Lang. & Lit.
942 _cBK
245 _aSix thinking hats
260 _aPengquin Books, London
_c1999
082 _a155.3 deB
300 _axiii,178p
999 _c42595
_d42595