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

 - India:   Vikas Publishing House,   1978 
 - x, 431p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science
<br/><br/><label>Subjects--Index Terms: </label>Reference service 
<br/><br/><label>Universal Decimal Class. No.: </label>D 025.5  / L8;M9