Human ecology of Sikkim: A case study of upper Rangit basin/ 
Gulia, Kuldip Singh 
 - New Delhi:  Kalpaz Publication,  2005. 
 - 304 p. 
<br/><br/><label>ISBN: </label>8178353253 
<br/><br/><label>Dewey Class. No.: </label>304.254167  / GUL/G