High-Risk Area of Value Chains: Trade Union Countervailing Power in Company Networks in the Face of Corona. PROKLA. Journal of Critical Social Science, Berlin, DE, v. 52, n. 206, p. 77–96, 2022. DOI: 10.32387/prokla.v52i206.1980. Disponível em: https://prokla.de/index.php/PROKLA/article/view/1980. Acesso em: 5 dec. 2025.