Jayaweera, Upali  <br/><br/>
Chemistry Grade 11 : 

 - Samudra :  Colombo ;  2011. 
 - 64p ; 22cm .  01 
 - 2024-06-06 
<br/><br/><label>ISBN: </label>9789556800050 
<br/><br/><label>Nat. Bib. No.: </label>0003574 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>JAY 
<br/><br/><label>Universal Decimal Class. No.: </label>540