Elliot, Alan C. <br/><br/>
Producing teaching materials: A handbook for teachers and trainers 

 - 2nd Edition 
 - London  Kogan page  1985 
 - 251p. 
<br/><br/><label>ISBN: </label> UKP 12.95 
<br/><br/><label>Source: </label> UKP 12.95 
<br/><br/><label>Dewey Class. No.: </label>371.3078 ELL