Amarasiri,Sarath. <br/><br/>
ඡල අසිරිය රැක ගැනීම 
 Jala asiriya Reka Genima 

 - Nugegoda  Sri lanka Soba Sansadaya   2008 
 - pl,132p., 21 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Qualities of Water <br/>Ruber Industry <br/>Metal Industry
<br/><br/><label>Universal Decimal Class. No.: </label>502.65  / AMA