C Lal <br/><br/>
Understanding Basics of Library and Information Science (Paper V, VI & VII) 
Olson H A and  Kumar K 
 - New Delhi  Ess Ess Publications  2005 
<br/><br/><label>ISBN: </label>8170004373 
<br/><br/><label>Dewey Class. No.: </label>020 LAL/LIB