Mining and mineral processing /     
National Environment Commission. 
 - Thimphu :  National Environment Commission.  1999. 
 - v, 26 p.             
<br/><br/> In English. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources -- Bhutan.--------<br/>Environmental policy. --