https://ghd.georgetown.edu/wp-content/uploads/2018/12/Business-Sector-and-the-SDGs-Final-Report.pdf
https://www.lobbying.ie/media/6072/regulation-of-lobbying-annual-report-2016-final-web.pdf
https://www.imk-boeckler.de/download-proxy-for-faust/download-pdf?url=http%3A%2F%2F217.89.182.78%3A451%2Fabfrage_digi.fau%2Fp_imk_report_159e_2020.pdf%3Fprj%3Dhbs-abfrage%26ab_dm%3D1%26ab_zeig%3D8946%26ab_diginr%3D8482
https://www.iso.org/files/live/sites/isoorg/files/store/en/PUB100456.pdf