https://www.gsb.stanford.edu/gsb-box/route-download/621098
https://www.imf.org/-/media/Files/Publications/DP/2022/English/REFFSFRIEA.ashx
https://www.boeckler.de/pdf/p_imk_report_139_2018.pdf
https://www.ekathimerini.com/economy/1198132/tankers-are-ditching-eu-flags/?utm_source=POLITICO.EU&utm_campaign=291ff3ddac-EMAIL_CAMPAIGN_2022_11_22_04_58&utm_medium=email&utm_term=0_10959edeb5-291ff3ddac-%5BLIST_EMAIL_ID%5D