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2. Mobility as a service: a critical review of definitions, assessments of schemes, and key challenges;Jittrapirom;Urban Plan.,2017
3. Mobility as a service (MaaS): challenges of implementation and policy required;Li;J. Transp. Technol.,2017
4. Shared mobility: Current practices and guiding principles. (No. FHWA-HOP-16-022);Shaheen,2016
5. Shared Micromoblity Policy Toolkit: Docked and Dockless Bike and Scooter Sharing. California;Shaheen,2019