Productivity growth in petrochemicals By Rachna 

 - Delhi  University of Delhi          1990 
 - 146p Bibliography at the end  cm. 
 - University of Delhi, Economics (Deptt of-), Dissertation. Dissertation, University of Delhi, Economics (Deptt of-) .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Oil<br/>Industrial Economics