Junior Banglapedia :   ‍Science and Technology / 

 - Dhaka:  Banglapedia Trust,   2012. 
 - 383 p. :  ill ;  22 cm.   2500 taka. 
 -  Vol. 2 .
<br/><br/>Includes Index. 
<br/><br/><label>ISBN: </label>978 984 33 5272 9 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Subjects--Index Terms: </label>Bangla Encyclopedia . 
<br/><br/><label>Dewey Class. No.: </label>039.9144