Dr. Athula Perera & Mr.Amitha Kumara <br/><br/>
සංයුක්ත ගණිතය  

 -  2011 
 - 117p  1 
 - 2023-11-15 
<br/><br/><label>ISBN: </label>978-955-51413-4-5 
<br/><br/><label>Nat. Bib. No.: </label>0005226 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>PER 
<br/><br/><label>Universal Decimal Class. No.: </label>510