Blanchard, Kenneth H. The secret : what great leaders know and do / Ken Blanchard, Mark Miller. - 2nd ed. - San Francisco : Berrett-Koehler Publishers, c2009. - x, 132 p. : ill. ; 23 cm. - A BK business book . - BK business book. . Fakulti Keusahawanan dan Perniagaan. ISBN: 9781605092683 Subjects--Topical Terms: Leadership.Management.