Abekon, Chathurika  <br/><br/>
උසස් පෙළ 13 ශුද්ධ ගණිතය   

 - Vidya Publisher   Nugegoda   2017 
 - 251p  1 
 - 2023-11-27 
<br/><br/><label>ISBN: </label>978-955-728-003-5 
<br/><br/><label>Nat. Bib. No.: </label>0005986 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>ABE 
<br/><br/><label>Universal Decimal Class. No.: </label>510