Kumar, P.S.G. <br/><br/>
Information Sources and Services  : Theory & Practice 
/ by P.S.G. Kumar 
 - Delhi:  B.R. Publishing Corporation,  2004. 
 - vii,390p. 
 - Kumar's Curriculum Series in Library and Information Science, 6 .
<br/><br/><label>ISBN: </label>9788176464055 
<br/><br/><label>Dewey Class. No.: </label>025.52  / KUM/I