Lancelot, W H <br/><br/>
Permanent learning :  Study in educational techniques / 
by W H Lancelot 
 - New York :  John wiley and sons,  1920. 
 - 221p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>371.3  / LAN.P