Tichy Noel M Leadership engine How winning companies build leaders at every level - New York Harper Collins Publications 2007 - xxiii, 452p Bibliography: P 418-43 cm. ISBN: 9780887309311 685.98000000000002 Source: 80, 27/10/2010, AVIVA BOOKS COMPANY General Book Subjects--Topical Terms: Commerce Dewey Class. No.: X:87, P7