Water resources development sanitation improvement  : Nothern and Eastern provinces of Sri Lanka 
/ edited by B.J.Llod et al 
 - Cambridge  Moller Centre  2009 
 - varied pages. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water resource management-Conference proceeding<br/>Sanitation engineering Sanitation engineering 
<br/><br/><label>Dewey Class. No.: </label>631.7  / INT