Hemalatha Devi, Tenneti <br/><br/>
Open and distance learning: Global challenges 

 - Delhi  Authorspress  2004 
 - v,264p. 
<br/><br/><label>ISBN: </label> RS 225.00 
<br/><br/><label>Source: </label> RS 225.00 
<br/><br/><label>Dewey Class. No.: </label>378.03 HEM