https://emmaclancy.files.wordpress.com/2018/07/apple-tax-structure-and-rate-post-2014.pdf
https://www.sra.org.uk/pdfcentre/?type=Id&data=1772866600
https://rusi.org/commentary/strengthening-our-fight-against-financial-crime-reforming-sars-regime?utm_source=RUSI+Newsletter&utm_campaign=b28776ec3f-EMAIL_CAMPAIGN_2018_08_01_10_07&utm_medium=email&utm_term=0_0c9bbb5ef0-b28776ec3f-47711229
https://ukandeu.ac.uk/wp-content/uploads/2020/05/UKICE-Post-Brexit-Gov-NI-Report.pdf