Sikkhar samaj boigyanik bhitti 
Sonali Chakraborty 
 - 6th 
 - Kolkata  Soma book agency  2017 
 - 384p. 
<br/><br/><label>ISBN: </label> Rs.190.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370.19  / C435