Kelbrick, Roshana. “Confused about Confusion : Is There Still a Distinction Between Primary and Extended Trade Mark Infringement?”. Comparative and International Law Journal of Southern Africa 50, no. 1 (November 19, 2020): 1–21. Accessed November 9, 2025. https://www.unisapressjournals.co.za/index.php/CILSA/article/view/8691.