
http://www.migrationobservatory.ox.ac.uk/wp-content/uploads/2017/05/Commentary-net-and-election17.pdf

https://www.nzz.ch/international/radikales-regime-wie-sich-der-kreml-unter-wladimir-putin-radikalisierte-ld.1755674?reduced=true

https://theconversation.com/peru-y-los-crimenes-de-lesa-humanidad-ocho-claves-para-entender-la-pugna-entre-justicia-e-impunidad-234229