Smith, Frank <br/><br/>
Principles of class teaching/  
by Frank Smith 
 - London,    New York :    Macmillan and co., limited,    1939. 
 - xxxvi, 442 p.;    18 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Teaching.
<br/><br/><label>Dewey Class. No.: </label>371.3 SMI