Department of education  <br/><br/>
ඉංජීනේරු තාක්ෂණවේදය :  12 ශ්‍රේණීය  

 - Department of education :  Mahargama ;  2014. 
 - 141 p ;24cm .  01 
 - 2024-08-30 
<br/><br/><label>Nat. Bib. No.: </label>0010398 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>DEP