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2. Sarros, I.: Sharing economy. Diploma thesis, Technical University of Crete, Chania (2018). https://doi.org/10.26233/heallink.tuc.77414
3. Papanaoum, D.: From car ownership to carpooling and carsharing: trends’ investigation using the Delphi method. Master’s thesis, Hellenic Open University, Patras (2018). https://apothesis.eap.gr/handle/repo/40511
4. University of Kentucky Webpage: Car Sharing (Zipcar). https://www.uky.edu/transportation/rideshare/zipcar. Accessed 30 Mar 2020
5. Shaheen, S., Cohen, A., Chan, N., Bansal, A.: Sharing strategies: carsharing, shared micromobility (bikesharing and scooter sharing), transportation network companies, microtransit, and other innovative mobility modes. In: Deakin, E. (ed.) Transportation, Land Use, and Environmental Planning, pp. 237–262. Elsevier, Amsterdam (2020). https://doi.org/10.1016/B978-0-12-815167-9.00013-X