Prasad,anubhuti ranjan <br/><br/>
Coal industry of india 

 - New Delhi  Ashish Publishing House  1986 
 - xxviii,516p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Production Economics
<br/><br/><label>Dewey Class. No.: </label>338.272  / PRA.C