Ray, H.S; Sridhar, R. and Abraham, K.P <br/><br/>
Extraction of nonferrous methods 

 -  Affiliated East-West Press  2020 
<br/><br/><label>ISBN: </label>978185095639 
<br/><br/><label>Dewey Class. No.: </label>622.34  / T20 RAY C.