Krishan Kumar <br/><br/>
Reference service/ 
by Krishan Kumar 
 - 5th  
 - New Delhi:  Vikas,  1998. 
 - 446p. 
<br/><br/><label>ISBN: </label>9780706986426 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference Service<br/>Library Science
<br/><br/><label>Dewey Class. No.: </label>025.02  / KRI/R