http://comprop.oii.ox.ac.uk/wp-content/uploads/sites/93/2018/07/ct2018.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.ips-journal.eu/index.php?id=344&L=0&tx_news_pi1%5Bnews%5D=3939&tx_news_pi1%5Bcontroller%5D=News&tx_news_pi1%5Baction%5D=detail&utm_source=newsletter&utm_medium=email&utm_campaign=en_732_20191213&cHash=e80ba923ddb9d757e0b6ed3489437df4
https://www.politico.eu/article/european-parliament-harassment-intimidation-abuse/