Handbook of motivation at school  [electronic resource] / 
edited by Kathryn R. Wentzel, Allan Wigfield. 
 - New York ;  London :  Routledge,  2009. 
 - 1 Online resource (xiii, 686 p.) :  ill. 
 - Educational psychology handbook series .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780203879498 (ebook : PDF) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motivation in education--Handbooks, manuals, etc.