Ball S <br/><br/>
Motivation in education 

 - N York   Academic        1977 
 - xiii, 204p.  cm. 
<br/><br/><label>Standard No.: </label>81,375 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSYCHOLOGY
<br/><br/><label>Dewey Class. No.: </label>S:65:T, L7