Ball, Samuel <br/><br/>
Motivation in education 
edited by Samuel Ball 
 -  Academic Press New York  1977  1977 
 - xiii, 204 p. ;24 cm. 
 - Educational psychology .
<br/><br/> Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>012077450X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motivation in education--LB
<br/><br/><label>LC Class. No.: </label>LB1065.M67