Wagner, Rodd 12 : the elements of great managing / Twelve Elements of great managing by Rodd Wagner and James K. Harter - New York : Gallup Press, c2006 - xvii, 237 p. ; 25 cm. Includes bibliographical references ISBN: 9781595629982 (hbk.) 159562998X (hbk.) Subjects--Topical Terms: Executive abilityManagement Dewey Class. No.: 658.409 / WAG