Ellis, Robert S. <br/><br/>
Educational psychology : a problem approach/ 
Robert S. Ellis 
 - New Jersey:  D. Van Nostrand Company, INC.,  1956 
 - xi, 546p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370.15 ELL-E