Kieffer, R.E. De   <br/><br/>
Manual of audio-visual techniques  (Book) 

 - 2nd ed. 
 - Englewood Cliffs, New Jersey  Prentice-Hall  1962 
 - 254p.  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-visual education
<br/><br/><label>Universal Decimal Class. No.: </label>659.148 KIE  / 2999