
https://economiesuisse.ch/sites/default/files/publications/swisscode_e_web_0.pdf

https://ec.europa.eu/commission/sites/beta-political/files/position-paper-public-procurement_en.pdf

https://www.etui.org/sites/default/files/2022-01/22%20Social%20policy%20in%20the%20European%20Union.%20State%20of%20play%202021.%20Social%20ambitions%20EU%20pandemic_2022.pdf