TY - GEN AU - Kumudu Lal, Luku Bogahawattage AU - Prof. (Mrs.) Niranjani Ratnayake TI - Root causes for the failures of existing sewerage system in Colombo Municiple Council area PY - 2013///] KW - CIVIL ENGINEERING - Thesis KW - ENVIRONMENTAL ENGINEERING AND MANANGEMENT - Thesis KW - MSc in Environmental Engineering and Management N1 - TH2494 UR - http://dl.lib.mrt.ac.lk/handle/123/10452 ER -