Coppen, Helen Elizabeth. <br/><br/>
Aids to Teaching and Learning 

 - Oxford  Pergamon Press  1969 
 - x,230p. 
<br/><br/><label>ISBN: </label>0080129048 
<br/><br/><label>Source: </label> 86-261 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching--Aids and Devices.
<br/><br/><label>LC Class. No.: </label>LB1043  / .C656 1969