https://www.cidrap.umn.edu/sites/default/files/public/downloads/cidrap-covid19-viewpoint-part1.pdf
https://www.mckinsey.com/featured-insights/diversity-and-inclusion/five-fifty-the-color-of-wealth?cid=fivefifty-eml-alt-mkq-mck&hlkid=22632777838146f4a236ee00fa3ab2f1&hctky=2073353&hdpid=d18bd6c1-419e-4ecf-9f54-0bed589bb064#
http://library.fes.de/pdf-files/iez/13375.pdf
https://www.occrp.org/en/37-ccblog/ccblog/11905-cocaine-corona-how-the-pandemic-is-squeezing-italian-crime-groups