KUMAR, Suseela <br/><br/>
The changing concepts of reference service 
/ [by] Suseela Kumar 
 - Delhi  Vikas pub.  1974 
 - 327 p.- 
 - Sarada Ranganathan endowment for library science series; no. .
<br/><br/> Includes bibliography & Index. 
<br/><br/><label>ISBN: </label>706903021 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science<br/>Reference services
<br/><br/><label>Dewey Class. No.: </label>25.5  / KUM