1. The concept of sustainable development in the Report of the World Commission on Environment and Development: Our Common Future, https://studme.org/
2. Online portal of the United Nations, https://sustainabledevelopment.un.org
3. The UN Human Development Report, https://ac.gov.ru/
4. Rio Declaration on Environment and Development, https://www.un.org/
5. Ozhegov S.I., Dictionary of the Russian Language, https://slovarozhegova.ru