UGC <br/><br/>
Audio-Visual aids in higher scientific education 

 - London  Majestys Stationery Office  1966 # 1965 
 - xiv,154  Pb  24.3cm 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>507.8