Fourie, Mariska, Philip Steenkamp, Jacqui-Lyn McIntyre-Louw, and Clinton Oellermann. “Smoke Signals for Reform? The South African Illicit Cigarette Trade”. South African Crime Quarterly, no. 72 (December 1, 2023): 2–41 to 2. Accessed March 6, 2025. https://journals.assaf.org.za/index.php/sacq/article/view/12597.