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

 - Sahibabad, UP(India)  Vikas Publishing House  1980 
 - viii, 444 p. 
<br/><br/>Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  Library science<br/>  Reference services
<br/><br/><label>Dewey Class. No.: </label>025.52  / K95r 1978