Kospelawaththa, Jayasiri  <br/><br/>
4 ශ්‍රේණීය ගණිතය   

 - Guanasena Publisher   Colombo   2010 
 - 247p  1 
 - 2024-03-11 
<br/><br/><label>ISBN: </label>978-955-21-1946-0 
<br/><br/><label>Nat. Bib. No.: </label>000158-P 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>KOS  
<br/><br/><label>Universal Decimal Class. No.: </label>370