Rai, Amar Nath. <br/><br/>
Distance Education , :  Open Learning vs Virtual University Concepts / 
By Amar Nath Rai. 
 - 1st Ed. 
 - New Delhi :  Authors Press,  2007. 
 - vi,274p. ;  00 cm. 
<br/><br/><label>ISBN: </label>9788172730369 
<br/><br/><label>Dewey Class. No.: </label>371.35  / RAI