https://www.fraserinstitute.org/sites/default/files/human-freedom-index-2021.pdf
https://www.brookings.edu/opinions/the-foreign-policies-of-the-sinaloa-cartel-and-cjng-part-ii-the-asia-pacific/
https://webunwto.s3.eu-west-1.amazonaws.com/s3fs-public/2020-07/200728-barometer-en.pdf