
http://www.lastampa.it/2016/06/27/italia/politica/rodot-quando-i-referendum-diventano-un-boomerang-JuXpMSRHAkJH5mE0mawMrL/pagina.html

https://www.foreignaffairs.com/mexico/why-america-struggling-stop-fentanyl-epidemic

https://www.oecd-ilibrary.org/docserver/467cf791-en.pdf?expires=1687844142&id=id&accname=guest&checksum=E3DB362DEFB5526E94E4B65C66C86AFD