Giridhar, C. H. <br/><br/>
Encyclopaedia of educational technology  / 
Giridhar, C. H. 
 - New Delhi:  Commonwealth,  2007. 
 - Vol.1(viii, 340p.), Vol.2(viii, 448p.), Vol.3(viii, 435p.), 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8171696988 
<br/><br/><label>Dewey Class. No.: </label>371.307803 GIR