A study on the effectiveness of domestic solid waste management system in Colombo municipality special river reference to Borella Ward 
Silva, G.S.K. 
 -  2009. 
 - x,90p.: 
<br/><br/> Jayasundara, N.J., & Wijekoon, W.M.M.G.D. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/097