Bester, Piet, and Sonja Els. “The Legalisation of Cannabis: A Security-Vetting Dilemma”. Scientia Militaria - South African Journal of Military Studies 49, no. 2 (November 22, 2021): 1-27. Accessed January 22, 2022. https://scientiamilitaria.journals.ac.za/pub/article/view/1334.