Kumar, Suseela <br/><br/>
The Changing concepts of reference service / 
Suseela Kumar 
 - Delhi :  Vikas,  1974 
 - 327p. ;  19cm. 
 - Sarada Ranganathan Endowment for Library Science series ;  7 .
<br/><br/><label>ISBN: </label>0706903021 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services (Libraries)<br/>Reference services (Libraries)--India
<br/><br/><label>Dewey Class. No.: </label>025.52  / KUM