Kalpana Sen <br/><br/>
Shikshar manobaijnanik vitti / 
Kalpana Sen ; Kanika Chaudhuri 
 -  Pragatisheel Prakashak 
<br/><br/><label>ISBN: </label>9788189846077 
<br/><br/><label>Dewey Class. No.: </label>370.15