Disanayaka, D.M.I.K.K.; Rathnasekara, S.R.L.S
(Department of Geography, University of Kelaniya, Sri Lanka., 2020)
Water pollution is one of the main topics of the urban environment in
Colombo, Sri Lanka's capital. The city of Colombo is Sri Lanka's most densely
populated area and the population of the Kelani River is very high. The ...