1. Booklet 1: Executive Summary; Conclusions and Policy Implications;World Drugs Report,2019
2. European Monitoring Center for Drugs and Drug addiction; Early warning system on NPSs https://www.emcdda.europa.eu/publications/topic-overviews/eu-early-warning-system_en (accessed December 2020).
3. Forensic electrochemistry applied to the sensing of new psychoactive substances: electroanalytical sensing of synthetic cathinones and analytical validation in the quantification of seized street samples;Smith;Anal. Chem.,2014
4. World Drugs Report, United Nations Office on Drugs and Crime, Vienna, 2016, p. 2016.
5. World Drugs Report, Current NPS Treats Volume III, United Nations Office on Drugs and Crime, Vienna, October 2020, p. 2020.