1. [1] S. Hietanen, “Mobility as a service the new transport model?,” Technical Report, MaaS Finland, 2014.
2. [2] S. Heikkilä, “Mobility as a service — A proposal for action for the public administration, case Helsinki,” Master's thesis, 2014.
3. [3] MaaS Alliance, White paper: Guidelines & recommendations to create the foundations for a thriving maas ecosystem, MaaS Alliance, Brussels, 2017.
4. [4] M. Audouin and M. Finger, “The development of mobility-as-a-service in the Helsinki metropolitan area: A multi-level governance analysis,” Research in Transportation Business & Management, vol.27, pp.24-35, 2018. 10.1016/j.rtbm.2018.09.001
5. [5] W. Goodall, T. Dovey, J. Bornstein, and B. Bonthron, “The rise of mobility as a service,” Deloitte Rev., vol.20, no.1, pp.112-129, 2017.