
https://static.europeanchamber.com.cn/upload/documents/documents/Executive_Position_Paper_2019_2020%5B757%5D.pdf

https://insightcrime.org/wp-content/uploads/2023/05/The-Flow-of-Precursor-Chemicals-for-Synthetic-Drug-Production-in-Mexico-InSight-Crime-March-2023-3.pdf

https://www.corporatebenchmark.org/sites/default/files/2019-11/CHRB2019KeyFindingsReport.pdf