Singh, U. K. <br/><br/>
Distance education / 
Singh, U. K. 
 - New Delhi:  Discovery Publishing House,  2013. 
 - vi, 329p.; 23cm. 
 - DPH education series .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9788171413379 
<br/><br/><label>Dewey Class. No.: </label>371.35 SIN