Contributions to an educational technology 
edited by James Hartley,  Ivor K. Davis 
 - London:  Kegan Page,  1978. 
 -  vol.2 
<br/><br/> Includes index 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0-85038-129-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology <br/>Instructional technology 
<br/><br/><label>Dewey Class. No.: </label>371.3078  / CON