https://www.wto.org/english/res_e/booksp_e/wtr23_e/wtr23_e.pdf
https://www.socialeurope.eu/the-discreet-but-dubious-charm-of-tax-treaties
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1128537/SME_Handbook_TRA.pdf
https://www.revueconflits.com/la-chine-accepte-de-plafonner-ses-hybrides-en-europe-a-quel-prix/