Atkinson, Norman Joseph. <br/><br/>
Modern teaching aids :  a practical guide to audio-visual techniques in education / 
Norman J. Atkinson. 
 - London :  MacLaren,  1966. 
 - 208 p. :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-visual equipment.<br/>Teaching--Aids and devices.