Department of Education  <br/><br/>
භෞතික රාශී හා මාන   

 - Department of Education  Publisher   Battaramulla   1997 
 - 46p  1 
 - 2023-11-20 
<br/><br/><label>ISBN: </label>955-9-597-361-V 
<br/><br/><label>Nat. Bib. No.: </label>0007121 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>JAY 
<br/><br/><label>Universal Decimal Class. No.: </label>530