@book{18403, author = {Widanapathiranage, Saman J. and Prof. K.A.S. Kumarage}, title = {Bus and rail travel modelling for Colombo metropolitan region : a theoretical approach to mode choice modelling}, year = {[2005]}, note = {TH1026 }, url = {http://dl.lib.mrt.ac.lk/handle/123/1974} }