@mastersthesis{sreyus2017sustainable, title = {Sustainable transport policy—An evaluation of Singapore’s past, present and future} author = {Sreyus Palliyani and Der-Horng Lee}, url = {https://pdfs.semanticscholar.org/a129/8c34f22d932363733de5c02e31228ca4b89a.pdf}, year = {2017} }