https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1128537/SME_Handbook_TRA.pdf
https://www.globalwitness.org/en/campaigns/stop-russian-oil/one-year-western-companies-traded-384-million-barrels-russian-oil/
https://www.brookings.edu/wp-content/uploads/2022/11/FP_20221201_china_global_order_jones_yeo.pdf