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  500 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education-Encyclopedia<br/>Encyclopaedia
<br/><br/><label>Dewey Class. No.: </label>370.3  / SHA