Hewage, W. K. <br/><br/>
ව්‍යවහාරික ගණිතය  

 - Wirani Educational Institute  Thalawatugoda  1970 
 - 264p  1 
 - 2023-11-10 
<br/><br/><label>Nat. Bib. No.: </label>0004680 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>HEW 
<br/><br/><label>Universal Decimal Class. No.: </label>510