Puay Ping Koh
- Impacts of bicycle infrastructure: a case study in Singapore. Dans: Proceedings of the Institution of Civil Engineers - Municipal Engineer, v. 168, n. 3 (septembre 2015). (2015):
- Impacts of bicycle infrastructure: a case study in Singapore. Dans: Proceedings of the Institution of Civil Engineers - Municipal Engineer, v. 168, n. 3 (septembre 2015). (2015):
- Feasibility study of bike sharing in Singapore. Dans: Proceedings of the Institution of Civil Engineers - Engineering Sustainability, v. 171, n. 7 (octobre 2018). (2018):