R L Sehgal <br/><br/>
Number building in Dewey Decimal Classification Universal Decimal Classification & Colon Classification/ 
by R L Sehgal 
 - New Delhi:  Ess Ess,  1993. 
 - 624p. 
<br/><br/><label>ISBN: </label>9788170001539 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification  Library Science<br/>Library and Information Science
<br/><br/><label>Dewey Class. No.: </label>025.43  / RLS/N