Gurdev Singh Au. <br/><br/>
Information sources services and systems 
Gurdev Singh Au. 
 - Delhi  PHI Leraning Private Limited India      2013 
 - xviii,517p.  cm. 
<br/><br/><label>ISBN: </label>9788120346390 (pbk)  INR 525.00 
<br/><br/><label>Standard No.: </label>38763 
<br/><br/><label>Source: </label> 1680, 07/03/2018, Dhanraj Book House  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>2:97, Q3