Perera, Dunstan  <br/><br/>
Combined Mathematics 

 - Gihan Book Publisher   Dehiwala   2007 
 - 404p  1 
 - 2024-03-01 
<br/><br/><label>ISBN: </label>955-593-360-5 
<br/><br/><label>Nat. Bib. No.: </label>0009561 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>PER 
<br/><br/><label>Universal Decimal Class. No.: </label>510