Hargreaves, David <br/><br/>
How to make and use visual aids 

 - Oxford  Heinemann Educational Publishers  1997 
 - 128p. 
<br/><br/><label>ISBN: </label> RS 225.00 
<br/><br/><label>Source: </label> RS 225.00 
<br/><br/><label>Dewey Class. No.: </label>371.33 HAR