Allgood, Mary Brown. <br/><br/>
Demonstration Techniques /  

 - 2nd Edn. /  
 - New Delhi :   Prentice-Hall of India (Private) Ltd.. 
 - xiii, 142p ;  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education <
<br/><br/><label>Dewey Class. No.: </label>T9(Y4):3  / J9;1