Singh, U.K. <br/><br/>
Extension Education / 
U.K. Singh, A.K. Nayak, 
 - 1st edition 
 -  Wave Publications , 
<br/><br/><label>ISBN: </label>817169442x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General
<br/><br/><label>Dewey Class. No.: </label>374.26  / SIN