Sustainability Report 2012-13  A Level Report 
Oil & Natural Gas Corporation Ltd, 
 - New Delhi  ONGC  2013 
 - 83p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Producation<br/>Amagement Approach & Performance -Economic<br/>Enviorment <br/>Social<br/>Oil & GAs Sector Supplement
<br/><br/><label>Dewey Class. No.: </label>338.927  / ONGC-S 2012-13