
https://reutersinstitute.politics.ox.ac.uk/sites/default/files/2019-06/DNR_2019_FINAL_0.pdf

https://www.opendemocracy.net/neweconomics/magic-money-tree-dont-let-politicians-tell-otherwise/

https://www.brookings.edu/articles/russia-ukraine-and-organized-crime-and-illicit-economies-in-2024/