
https://www.smmt.co.uk/wp-content/uploads/sites/2/SMMT-Sustainability-Report-2018.pdf

https://www.etui.org/sites/default/files/2022-02/The%20platform%20economy%20in%20Europe_2022.pdf

https://www.ips-journal.eu/topics/european-integration/europe-needs-to-spend-its-money-better-7243/