Austwick, K. and Harris, N. D. C. <br/><br/>
Aspects of educational technology 

 - London  ; Pitman Publishing  , 1972 
 - 408p.  , V.6 
<br/><br/><label>ISBN: </label>0273317822  £6.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education<br/>Educational Technology
<br/><br/><label>Dewey Class. No.: </label>370  / AUS