Harris, N. D. C. <br/><br/>
Preparing educational materials 

 - London  ; Croom Helm  , 1979 
 - 153p. 
<br/><br/><label>ISBN: </label>0856649325  £15.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education<br/>Teaching Materials
<br/><br/><label>Dewey Class. No.: </label>371.33  / HAR