Sehgal, R.L. <br/><br/>
Number building in dewy decimal classification, universal Decimal classification and colon classification 
R.L. Sehgal. 
 - New Delhi  Ess Ess Publications  1993 
 - vii,280,266,78p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science Library classification Dewy Decimal Classification. 
<br/><br/><label>Dewey Class. No.: </label>025.43,  / S27N