De Bono, Edward, 1933- The six value medals / Edward De Bono. - London : Vermilion, 2005. - 163 p. : ill. ; 22 cm. ISBN: 9780091894597 LCCN: 2006372627 Subjects--Topical Terms: Decision making.Values.Corporate culture. LC Class. No.: HD30.23 / .DEB 2005