H.S.Hall <br/><br/>
පාඨශාලා වීජ ගණිතය  

 - Educational Publications Department  pittakotuwa  1956 
 - 490p  1 
 - 2023-11-15 
<br/><br/><label>Nat. Bib. No.: </label>0004690 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>HAL 
<br/><br/><label>Universal Decimal Class. No.: </label>510