COOMBS-HOAR, K. Peter Kropotkin’s 1902 Mutual Aid theory today. Studia Anglica Resoviensia, [S. l.], v. 21, p. 20–30, 2024. DOI: 10.15584/sar.2024.21.2. Disponível em: https://journals.ur.edu.pl/SAR/article/view/9141. Acesso em: 13 mar. 2025.