
http://www.oecd.org/tax/beps/policy-note-beps-inclusive-framework-addressing-tax-challenges-digitalisation.pdf

https://publications.parliament.uk/pa/ld5901/ldselect/ldfsrc/133/133.pdf

https://www.agence-francaise-anticorruption.gouv.fr/files/files/Factsheet_global_mapping_ACAs.pdf