Ellis, Robert S. <br/><br/>
Educational psychology :   a problem approach / 
Robert S. Ellis 
 - Princeton, N.J :   Van Nostrand,   1965. 
 - xi, 546 pages   : illustrations ; 24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Educational psychology.
<br/><br/><label>Dewey Class. No.: </label>370.15 ELL