Dushantha Mahabanduge  <br/><br/>
සංයුක්ත ගණිතය    Combined Mathematics -straight lines 

 - Agasara (pvt) Ltd.   Nugegoda   2011 
 - 199p  1 
 - 2023-11-01 
<br/><br/><label>ISBN: </label>978-955-0886-03-6 
<br/><br/><label>Nat. Bib. No.: </label>0004745 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>MAH 
<br/><br/><label>Universal Decimal Class. No.: </label>511.007