RAY, H.S. <br/><br/>
PRINCIPLES OF EXTRACTIVE METALLURGY 

 - 2nd ed 
 -  NEWAGE  2015 
 - 302p 
<br/><br/><label>ISBN: </label>978-93-864-1845-6 
<br/><br/><label>Dewey Class. No.: </label>669 RAY