https://www.transparency.org/news/feature/stopping_dirty_money_the_global_effective_o_meter
https://pure.diis.dk/ws/files/3925169/Implications_of_the_Covid_19_pandemic_DIIS_Working_Paper_2020_13.pdf
http://report.ipcc.ch/sr15/pdf/sr15_spm_final.pdf
https://securingdemocracy.gmfus.org/wp-content/uploads/2020/08/ASD-Covert-Foreign-Money.pdf