Urapola, Nandhasena <br/><br/>
උසස් පෙළ ගිණුම්කරණ ජයමඟ -(01)-2  

 - Rathna Book Publishers  Colombo  2019 
 - 493p  1 
 - 2023-11-22 
<br/><br/><label>ISBN: </label>978-955-6833-40-9 
<br/><br/><label>Nat. Bib. No.: </label>0006882 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>URA 
<br/><br/><label>Universal Decimal Class. No.: </label>657.834