Umlas, Judith W. <br/><br/>
Grateful leadership :  using the power of acknowledgement to engage all your people and achieve superior results / 
Judith W. Umlas 
 - New York :  McGraw-Hill,  2013 
 - xii, 239 p. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780071799522 0071799524 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Leadership<br/>Employee motivation