Rathnnasiri , Vipula  <br/><br/>
ගණිතය  : 

 - Agasara :  Nugegoda ;  2012. 
 - 121 p ; 24 cm .  01 
 - 2025-02-20 
<br/><br/><label>ISBN: </label>9789550886302 
<br/><br/><label>Nat. Bib. No.: </label>0011124 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>RAT 
<br/><br/><label>Universal Decimal Class. No.: </label>510