1. United Nations Department of Economic and Social Affairs (2018) World Urbanization Prospects: The 2018 Revision.
2. European Commission (2023) European Green Deal.
https://research-and-innovation.ec.europa.eu/strategy/strategy-2020-2024/environment-and-climate/european-green-deal_en
3. Smart City: Definitions, Dimensions, and Initiatives
4. Riza, H. and Bppt, D.C. (2015) Smart City Definition.
https://businessdictionary.com/
5. Smart cities of the future