https://cerre.eu/wp-content/uploads/2023/06/CERRE_Future-of-Rail-Report_06.06.2023.pdf
https://www.bruegel.org/sites/default/files/2023-03/PB%2007%202023_2.pdf
https://multinationales.org/IMG/pdf/pfuesousinfluence.pdf
https://cdn.ymaws.com/www.export.org.uk/resource/resmgr/docs/policy_papers/IOE&IT_report_with_EY_TradeT.pdf