De Kieffer, R. E  1916- <br/><br/>
Manual of audio-visual techniques 
R. E. De Kieffer [and] Lee W. Cochran 
 - 2nd ed. 
 - Englewood Cliffs, N.J.  Prentice-Hall  1962 
 - 254 p.  ill.  28 cm. 
 - Prentice-Hall education series .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> Rs. 6.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-visual education
<br/><br/><label>Dewey Class. No.: </label>371.33