Economic and commercial geography 
By P.C. Bordoloi 
 - 2nd ed. 
 - Guwahati:  Barua agency,  1986. 
 - x,332p. 
<br/><br/><label>Subjects--Index Terms: </label>Commerce Economic and commercial geography 
<br/><br/><label>Dewey Class. No.: </label>657