Ahmed, Pachimuddin . <br/><br/>
Bhugul Bigyan Parichay /  Textual Documents 
Pachimuddin Ahmed & Prasanda Kalita. 
 - 7th ed / 
 - Guwahati :  Barua agency ,  2005. 
<br/><br/><label>Subjects--Index Terms: </label>Geography G-Geography 
<br/><br/><label>Dewey Class. No.: </label>910  / Ah 51 Bh