NCERT & SCERT, . <br/><br/>
Abyashik dwitya patra sahayika 2006 /  
NCERT & SCERT. 
 - 6th ed /   . 
 - Kolkata :   B M Publication ,   2006. 
 - various pagging :   ills.,tables ;   22cm .  
<br/><br/>NULL 
<br/><br/><label>ISBN: </label> RS180.00 (Pb) 
<br/><br/><label>Subjects--Index Terms: </label>GENERALKNOWALDAGE 
<br/><br/><label>Dewey Class. No.: </label>101  / NCE/A