Productivity - Quarterly Journal / edited by 
Sunny ,K. P 
 - New Delhi .:  M D Publications ,  2011 
 - Quarterly 
 - 4 issues per year  2011 January - 2011 December 
<br/><br/><label>ISSN: </label>0032-9924 [Print ] 0976-3902 [Online] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>330  / PRO