TOLSTOV, S. Systems Analysis of International Relations: Theoretical and Methodological Criteria and Principles. Problems of World History, [S. l.], n. 23, p. 18–66, 2023. DOI: 10.46869/2707-6776-2023-23-2. Disponível em: https://journal.ivinas.gov.ua/pwh/article/view/274. Acesso em: 22 may. 2024.