Sinha, R.K  <br/><br/>
Mineral Economics 
/by R.K  Sinha and  N.L Sharma 
 - 3rd Edition 
 - New Delhi  Oxford & IBH Publishing   1980 
 - ix,407p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minerals--Economics
<br/><br/><label>Dewey Class. No.: </label>553  / SIN/M