NAVAC audio visual handbook / 
National Audio-Visual Aids Centre. 
 - London :  Kogan Page,  1980 
 - 207 p. :  ill. ;  30 cm 
<br/><br/> Includes index 
<br/><br/>Bibliography: p. 192-205 
<br/><br/><label>ISBN: </label>0850382750 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-visual equipment--Directories<br/>Audio-visual materials--Directories
<br/><br/><label>Dewey Class. No.: </label>371.33  / NAN 1980