FRANK, J. A. The "Ingredients" in Violent Labour Conflict: Patterns in Four Case Studies. Labour / Le Travail, [S. l.], v. 12, p. 87–112, 1983. Disponível em: https://www.lltjournal.ca/index.php/llt/article/view/2584. Acesso em: 4 may. 2024.