Hajra, S. <br/><br/>
Economies of scale in cement industry   

 - Delhi  Kunj Publication House  1983 
 - x. 147p. Appendix Index, 
 - Economic and Scientific Research Foundations, New Delhi .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>338.4766694  / H154.ES