BHutan and its Natural Resources : 
Sherubtse College. 
 - New Delhi :  Vikas Publishing house pvt.ltd.  1991. 
 - 149 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0706984137 
<br/><br/><label>Dewey Class. No.: </label>333.7095498  / BHU