Kumar,P.S.G. <br/><br/>
Information sources and sevices  theory and practice/ 
P.S.G.Kumar 
 - Student ed. 
 - New Delhi :  B.R.Publishing Corporation,  2004 
 - vii, 385 p. ;  21 cm. 
 - Kumar's curriculum series in Library and information science;  no.6  .
<br/><br/> Paper vi &vii of UGC model Curriculum.  Includes index. 
<br/><br/><label>ISBN: </label>8176464139 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Refence Services--Theory and Practice