Brown, James W.  <br/><br/>
AV Instruction technology media and methods  

 - 5th 
 - New york  Mc Graw Hill  1973 
 - 498p  HB 
<br/><br/><br/>En 
<br/><br/><label>ISBN: </label>0070081654 
<br/><br/><label>Dewey Class. No.: </label>371.33  /  BRO