Simpson, Robert S. <br/><br/>
Effective Audio-Visual: A User's Handbook 
By Robert S. Simpson 
 -  Robert S. Simpson  1996 
 - viii, 255 pages, 25 cm. 
<br/><br/> Includes glossary and index 
<br/><br/><label>ISBN: </label>0 2405 1416 5 
<br/><br/><label>Dewey Class. No.: </label>371.335 Si5 1996