Paribesh arthabigyan. 
By Rafik Ahmed. 
 - 1st. 
 - Jorhat.:  Unika prakashan.,  2003. 
 - 336 p.:  21 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Economics. Environmental economics. 
<br/><br/><label>Dewey Class. No.: </label>333.7