Jayawardhana, M.F.S.G  <br/><br/>
පදාර්ථ සහ විකිරණ   

 - Department of Education Publisher   Battaramulla   1997 
 - 96p  1 
 - 2023-11-20 
<br/><br/><label>ISBN: </label>955-597-407-1 
<br/><br/><label>Nat. Bib. No.: </label>0007324 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>JAY 
<br/><br/><label>Universal Decimal Class. No.: </label>530