Lal, C. <br/><br/>
Understanding Basics of Library and Information Science vol 2: library classification theory & library classification practice 
C. Lal 
 - New Delhi  Ess Ess Publications  2006 
<br/><br/><label>ISBN: </label>8170004330 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library and Information Science
<br/><br/><label>Dewey Class. No.: </label>020 LAL