Das, Sur <br/><br/>
Dictionary of Trade and Commerce / 
by sur Das 
 - Kolkata:  New Central Book Agency,  2007 
 - p.267 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commerce, communications & transportation regulations <br/>Agencies for Trade, Communication, Transport 
<br/><br/><label>Dewey Class. No.: </label>380.103  / DAS-D