Bangla Academy Bijnan Biswakosh 

 - Dhaka      Bangla Academy  BD 
 -    Volume-2, 3, 4, 5 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>  <Science encyclopedia><Encyclopedia><Bangla Academy Science Encyclopedia>
<br/><br/><label>Dewey Class. No.: </label>R/503/Ban