1. The World Bank, “The World Bank,” 2022, [Online; accessed January 01, 2022]. [Online]. Available: https://www.worldbank.org/en/topic/urbandevelopment/overview#1
2. United Nation: Climate Action, “Cities and Pollution,” 2022, [Online; accessed January 01, 2022]. [Online]. Available: https://www.un.org/en/climatechange/climate-solutions/cities-pollution
3. Statista, “Degree of urbanization in the United States from 1970 to 2020,” 2022, [Online; accessed January 01, 2022]. [Online]. Available: https://www.statista.com/statistics/269967/urbanization-in-the-united-states/
4. Samara, F., Ondieki, S., Hossain, A. M., Mekni, M.: Online social network interactions (osni): a novel online reputation management solution. In: 2021 International Conference on Engineering and Emerging Technologies (ICEET), pp. 1–6 (2021)
5. Mekni, M.: An artificial intelligence based virtual assistant using conversational agents. J. Softw. Eng. Appl. 14(9), 455–473 (2021)