Giridhar <br/><br/>
Encyclopaedia of educational technology Vol.1 

 - 1st 
 - New Delhi  Commonwealth Publishers  2008 
 - 340p. 
 -  Vol.1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia
<br/><br/><label>Dewey Class. No.: </label>371.3303  / GIR-E