De Kieffer, R.E. LeeW. Cochran <br/><br/>
Manual of Audio Visual Techniques 
/ by R.E. De Kieffer 
 - 2nd ed. 
 - Newdelhi :  Prentice - Hall International Inc.,  1966 
 - 251 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Teaching Aids, Audio Material
<br/><br/><label>Dewey Class. No.: </label>371.33  / DEK-M2