Kumar, Krishan. <br/><br/>
Reference Service  Textual Documents 
By Krishan Kumar 
 - 5th Rev Edn. 
 - New Delhi  Vikas Publishing House Pvt. Ltd.  2020 
 - 446pg:  index;  25cm. 
<br/><br/><label>ISBN: </label>9780706986426 
<br/><br/><label>Subjects--Index Terms: </label>Library Science Reference Service---Dynamic Output--CD ROM Uptodate Information G-Reference Service 
<br/><br/><label>Dewey Class. No.: </label>028