Krishna Kumar <br/><br/>
Reference service 

 - New Delhi  Vikas  1978 
 - 406p. 
<br/><br/><label>ISBN: </label>706906373 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science
<br/><br/><label>Dewey Class. No.: </label>025.52 Kri