Wöcke, Albert, and Jana Marais. “The Use of External Perceived Injustices by AMCU in the South African Platinum Mining Industry”. African Journal of Employee Relations 40, no. 1 (February 18, 2019): 108–120. Accessed November 20, 2025. https://unisapressjournals.co.za/index.php/AJER/article/view/5862.