Das, Manamohan, <br/><br/>
Ganit Bhugol   

 - 1st /   1974. 
 - Dibrugarh:   Dibrugarh  University.  1974. 
 - 249p. 
<br/><br/><label>Subjects--Personal Names: </label><br/> Geography,  Geography of Mathematics. 
<br/><br/><label>Dewey Class. No.: </label>910