Sharma, Sita Rama and Vohra, A. L. <br/><br/>
Encyclopaedia of educational technology  historical perspectives 

 - New delhi  Anmol Publications  1993 
 - vi,391p.  V.3 
<br/><br/><label>ISBN: </label>8170416582 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education-encyclopedia<br/>Encyclopedia
<br/><br/><label>Dewey Class. No.: </label>370.3  / SHA