Loney, S. L. <br/><br/>
ත්‍රිකෝණමිතිය  

 - The Educational Publications Department  Baththaramulla  2014 
 - 326p  1 
 - 2023-11-15 
<br/><br/><label>Nat. Bib. No.: </label>0004723 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>LON 
<br/><br/><label>Universal Decimal Class. No.: </label>510