
https://insightcrime.org/investigations/ndrangheta-connection-colombia-paramilitaries/

https://i2.res.24o.it/pdf2010/Editrice/ILSOLE24ORE/QUOTIDIANI_VERTICALI/Online/_Oggetti_Embedded/Documenti/2020/10/13/Sentenza_Mangani.pdf

https://scholar.harvard.edu/sites/scholar.harvard.edu/files/rogoff/files/long_run_trends_in_long_maturity_rates_revised_version_july_2023.pdf