
https://insightcrime.org/investigations/cocaine-brokers-flexible-backbone-ndrangheta-trafficking-empire/

https://cefic.org/app/uploads/2021/12/Economic-Analysis-of-the-Impacts-of-the-Chemicals-Strategy-for-Sustainability-Phase-1.pdf

https://www.openmarketsinstitute.org/publications/sling-de-economizing-antitrust-law-starts-with-market-definition