Orton, J. Louis <br/><br/>
Memory efficiency  : and how to obtain it 

 - 12th ed. 
 - London  ; Thorsons Publishers  , 1959 
 - 145p. 
<br/><br/><label>ISBN: </label> 7.87 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education<br/>Memory In Education
<br/><br/><label>Dewey Class. No.: </label>370.1522  / ORT