@book{147457, author = {Irshadh, Abdul Gaffoor and Prof. (Mrs.) N. Ratnayake}, title = {A Critical evaluation of wastewater disposal facilities in selected underserved settlements in the Colombo municipal area and recommendations for improvements}, year = {[2013]}, note = {TH261}, url = {http://dl.lib.mrt.ac.lk/handle/123/10655} }