Varma, Hari Om <br/><br/>
Econometric cost functions  a study of Indian railways 

 - New Delhi  Anmol  1988 
 - xii, 240 p. 
<br/><br/><label>ISBN: </label>8170410703 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS
<br/><br/><label>Dewey Class. No.: </label>339.21054  / VAR