В публикацията са използвани материали от:
- Institute for Management Development, and Singapore University for Technology and Design (SUTD), 2021. Smart City Index [online]. Available from: https://imd.cld.bz/Smart-City-Index-2021 [accessed 01 January 2023]
- IESE Cities in Motion Strategies, 2022. Cities in Motion Index [online]. Available from: /https://media.iese.edu/research/pdfs/ST-0633-E.pdf [accessed 06 May 2023]
- Global fleet. These 10 cities defined smart mobility [online]. Available from: https://www.globalfleet.com/en/smart-mobility/global/analysis/these-10-cities-define-smart-mobility?t%5B0%5D=Connectivity&curl=1 [accessed 05 May 2023]
- Docomo. Bicycle sharing [online]. Available from: https://docomo-cycle.jp/?lang=en [accessed 05 May 2023]
- Столичен автотранспорт. Проект „Изпълнение на дейности за подобряване качеството на атмосферния въздух в Столична община [online]. Available from: http://www.sofiabus.bg/proekt-izplnenie-na-deinosti-za-podobryavane-kachestvoto-na-atmosferniya-vzdukh-v-stolichna-obshchin [accessed 05 May 2023]
- National News Bureau of Thailand. Bangkok to display air pollution levels on traffic screens [online]. Available from: https://thainews.prd.go.th/en/news/detail/TCATG210205161357759 [accessed 05 May 2023]
- TomTom Traffic Index Ranking 2022 [online]. Available from: https://www.tomtom.com/traffic-index/ranking/ [accessed 15 May 2023]