Rengarasu, T.M.Karunarathna, S.M.G.P.S.Manula, L.G.K.Subhashini, M.L.2018-08-012018-08-012014Transactions - 2014 Volume I - PART B Technical Papers:p.107-114https://dl-iesl.nsf.gov.lk/handle/1/916Modelling Pedestrian Level of Service at Pedestrian Walks with Street-Vendors and BeggarsArticle