Growth of eco-tourism in North Bengal & Sikkim/ 
Karmakar, Madhusudhan 
 - 1st ed. 
 - Siliguri:  N.L. Publishers,  2011. 
 - 254 p.p 
<br/><br/><label>ISBN: </label>9788186860526 
<br/><br/><label>Dewey Class. No.: </label>910.15414  / KAR/G