Six thinking hats /
De Bono, Edward, 1933-
Six thinking hats / by Edward de Bono. - 1st Back Bay pbk. ed., rev. and updated. - Boston : Back Bay Books, 1999. - xiii, 173 p.
0316178314 (pbk.) 0316177911
Thought and thinking.
BF441.B66 1985
Six thinking hats / by Edward de Bono. - 1st Back Bay pbk. ed., rev. and updated. - Boston : Back Bay Books, 1999. - xiii, 173 p.
0316178314 (pbk.) 0316177911
Thought and thinking.
BF441.B66 1985