International encyclopedia of educational technology 
edited by:Eraut,  Michael 

 - Oxford  Pergamon Press  1989 
 - xxii, 654p. 
<br/><br/><label>ISBN: </label>0-08-033409-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology - Encyclopedias
<br/><br/><label>Dewey Class. No.: </label>RR 371.3303 INT;