Roy, Sushil. <br/><br/>
Shikkha monobidya 
Sushil Roy 
 - Kolkata  Soma Book Agency  2005 
<br/><br/><label>Standard No.: </label>3930  [RecID from old SOUL v2 database] 
<br/><br/><label>Dewey Class. No.: </label>370.15  / Su964