Roonwal, G.S. <br/><br/>
Mineral Resources and Development 
/ by G.S. Roonwal  
 - Delhi:  Daya Publishing House,  2005. 
 - 220p. 
<br/><br/><label>ISBN: </label>9788170353645 
<br/><br/><label>Dewey Class. No.: </label>553  / ROO/M