DAS, BHUBON MOHAN. <br/><br/>
PRATHAMIK BIGYAN KOSH 

 - GUWAHATI:  ASOM BIGYAN SAMITEE,  1971. 
 - 190.:  20CM. 
<br/><br/><label>Subjects--Index Terms: </label>Natural sciences & mathematics 
<br/><br/><label>Dewey Class. No.: </label>500 DAS