Bostok, L <br/><br/>
ශුද්ධ ගණිතය 1  

 - Educational Publications Department  Colombo  2007 
 - 860p  1 
 - 2023-10-23 
<br/><br/><label>Nat. Bib. No.: </label>0004659 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>BOS 
<br/><br/><label>Universal Decimal Class. No.: </label>510