Six thinking hats /
De Bono, Edward,
Six thinking hats / Edward de Bono. - 1st Back Bay pbk. ed., rev. and updated. - Boston : Back Bay Books, 1999. - xiii, 177 p. ; 21 cm.
0316178314 (pbk.) 0316177911 9780140296662
Thought and thinking.
153 / BON N99S
Six thinking hats / Edward de Bono. - 1st Back Bay pbk. ed., rev. and updated. - Boston : Back Bay Books, 1999. - xiii, 177 p. ; 21 cm.
0316178314 (pbk.) 0316177911 9780140296662
Thought and thinking.
153 / BON N99S