https://www.sra.org.uk/pdfcentre/?type=Id&data=1772866600
https://sosapadilla.github.io/files/papers/Bianchi_Sosa-Padilla_PP.pdf
https://www.agence-francaise-anticorruption.gouv.fr/files/files/Factsheet_global_mapping_ACAs.pdf
https://www.nuffieldtrust.org.uk/files/2020-07/hospital-building-programme-paper-web-final.pdf