Herath, Neil <br/><br/>
වැසිකිළි ඉදිකිරීම 
 Latrine Construction 

 - Sri Lanka  Helvetas  2001 
 -  52, 30 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Home Economics
<br/><br/><label>Universal Decimal Class. No.: </label>643.52  / HER