Robert C. Beck <br/><br/>
Motivation : Theories and principles. Ed 4 

 - 4th Edition. 
 - Delhi  Pearson Education  2003 
 - 477p 
<br/><br/>Robert C. Beck: Motivation : Theories and principles. Ed 4.  (4th Edition.)  Delhi.  Pearson Education, 2003. 81-297-0087-5--(153.8BEC)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>81-297-0087-5 
<br/><br/><label>Dewey Class. No.: </label>153.8  / BEC