"Deci, Edward L" <br/><br/>
Why we do what we do  understanding self-motivation 

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 - New York  Penguin Books  1996 
 - "viii,230p. : ill. ;" 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>9780140255263 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Autonomy (Psychology)<br/>Motivation (Psychology)