Plomp, Tjeerd (ed) <br/><br/>
International encyclopedia of educational technology 

 - 2nd ed 
 - New York  1996 
 - xvi,692  Hb 
<br/><br/><label>ISBN: </label>0-08-042307-8 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>R371.33