Giridhar, C.H.  . <br/><br/>
Encyclopaedia of educational technology /  
by C.H. Giridhar. 
 - New Delhi :   Commonwealth publishers ,   2002 
 - 5 vols :  
<br/><br/><label>ISBN: </label>81-7169-698-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>T:(F)k  / P2.5