A Study on the effectiveness of Divisional Water Tariff System: An special reference to Panadura Region. 
Alwis,D.G.Enit 
 -  October 2013 
 - ix,69p.: 
<br/><br/> Asoka,K.D.N.R. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/223