Kumar Krishan. <br/><br/>
Reference Service / 
Krishan Kumar. 
 - New Delhi :  Vikas Publishing House PVT LTD. ,  1993. 
 - 430p. :  22cm. ,  350tk. 
<br/><br/><label>ISBN: </label>0706978716 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference Service.
<br/><br/><label>Dewey Class. No.: </label>Reference Service.