Kumar, Krishan <br/><br/>
Reference service / 

 - New Delhi:  Vikas Pub.,  1978. 
 - viii, 444 p., 
<br/><br/><label>ISBN: </label>0076929403 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science and information system.
<br/><br/><label>Dewey Class. No.: </label>025.52