Sikkim's tryst with Nathu La: what awaits India's East & Northeast?/ 
edited by Jayanta Kumar Ray, Rakhee Bhattacharya, Kausik Bandyopadhyay 
 - Delhi:  Anshah Pub. House,  2009. 
 - 199 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>9788183640503 8183640508 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trade routes<br/>India--Sikkim<br/>Economic history<br/>Commerce
<br/><br/><label>Dewey Class. No.: </label>900.54167  / RAY/S