Siann, Gerda <br/><br/>
Educational psychology in a changing world 
Gerda Siann 
 - London  George Allen and Unwin  1980 
 - x,255p.  ill.  24cm. 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>0043700993 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational psychology
<br/><br/><label>LC Class. No.: </label>LB1051.S52