1. Department of Social Development. National drug master plan 4th edition 2019 to 2024 south africa free of substance abuse. https://www.gov.za/sites/default/files/gcis_document/202006/drug-master-plan.pdf (accessed 2022-07-25).
2. World Report 2020,2020
3. United Nations Office on Drugs and Crime (UNODC). World drug report 2021 covid-19 and drugs. https://www.unodc.org/unodc/en/data-and-analysis/wdr-2021_booklet-5.html.
4. World Health Organization (WHO). Drug use and road safety. https://www.who.int/substance_abuse/drug_use_road_safety/en/.
5. The need to treat driving under the influence of drugs as seriously as driving under the influence of alcohol;Larkin;SSRN Electron. J.,2018