Amabile, Teresa <br/><br/>
The progress principle : using small wins to ignite joy, engagement, and creativity at work /  
Teresa Amabile, Steven Kramer 
 - Boston, Mass. :  Harvard Business Review Press,  c2011 
 - 259p.  24cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781422198575