P S G Kumar <br/><br/>
Information sources and Services Theory and Practice Paper VI & VIIof UGC Model Curriculum<br/>(Kumar curriculum  Series in LIS, 6) 
P S G Kumar 
 - New Delhi  B R Publishing  2004 
 - 385 
<br/><br/><label>ISBN: </label>8176464058 
<br/><br/><label>Dewey Class. No.: </label>020 KCS/LIB.6