Atkinson, Norman Joseph. <br/><br/>
Modern teaching aids :  a practical guide to audio-visual techniques in education / 
Norman J. Atkinson and John N. Atkinson. 
 - 2nd ed. 
 - London :  Macdonald & Evans,  1975. 
 - xxii, 298 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references (p. 289) and index. 
<br/><br/><label>ISBN: </label>0712113681 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-visual equipment.<br/>Teaching--Aids and devices.