
http://www.globalcommissionondrugs.org/wp-content/uploads/2018/09/ENG-2018_Regulation_Report_WEB-FINAL.pdf

https://www.project-syndicate.org/commentary/german-constitutional-court-ecb-ruling-may-threaten-euro-by-katharina-pistor-2020-05

https://www.insightcrime.org/wp-content/uploads/2020/04/El-narcotraficante-invisible-tras-las-huellas-de-Memo-Fantasma_InSight-Crime-Marzo-2020.pdf