Paelaendage, Lakshman <br/><br/>
පදාර්ථයේ අවස්ථා 
 Padarthaye avasthhaa 

 - Colombo  S.Godage   2001 
 - 56p.,  20 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry <br/>Matter
<br/><br/><label>Universal Decimal Class. No.: </label>54  / PAE