1. 2018 Revision of World Urbanization Prospects. (2018). United Nations. Retrieved from https://www.un.org/development/desa/pd/sites/www.un.org.development.desa.pd/files/files/documents/2020/Jan/un_2018_wup_report.pdf
2. SMART-approaches to the development of large cities: Prospects for implementation in Ukraine.;A. A.Andrienko;Public Administration and Local Self-Government,2018
3. Berrone, P., & Ricart, J. E. (2020). IESE Cities in Motion Index 2020. University of Navarra. Retrieved from https://media.iese.edu/research/pdfs/ST-0542-E.pdf
4. Boykova, M. V. (2011). Buduschee gorodov Goroda as agents of globalization and innovation [The Future of Cities: Cities as agents of globalization and innovation]. Salazkin. Retrieved from https://cyberleninka.ru/article/n/buduschee-gorodov-goroda-kak-agenty-globalizatsiii-innovatsiy
5. Bris, A., Cabolis, C., Lanvin, B., Caballero, J., Hediger, M., Jobin, C., . . . Zargari, M. (2020). Smart City Index 2020. A Tool for Action, an Instrument for Better Lives for All Citizens. Academic Press.