Creating a unified foundation for the Sustainable Development | 9th ICSD 2021 2021-01-172021-01-17 HKre_Bln Creating a unified foundation for the Sustainable Development | 9th ICSD 2021 9th ICSD 2021Creating a unified foundation for the Sustainable Development: research, practice and educationRome (Italy) Sept. 8/9, 2021European Center of Sustainable Development https://ecsdev.org/conference/9th-icsd-2021