Pachauri, Suresh Chandra <br/><br/>
Educational technology 

 - New Delhi  A P H Publishing Corporation  2011 
 - vi,258p. 
<br/><br/><label>ISBN: </label> RS 695.00 
<br/><br/><label>Source: </label> RS 695.00 
<br/><br/><label>Dewey Class. No.: </label>371.33 PAC