Encyclopedia of Educational Technology : Vol.1 Theoretical Perspectives 

 - Delhi:  Anmol,  1993. 
 - Vol.1,Vi,532.;  22 cm 
 - The International Encyclopedia of Education  .
<br/><br/><label>ISBN: </label>81-7041-658-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370.03  / ENC