KYRYDON, A.; TROYAN, S. International relations as a system and a discipline: From the westphalian to the post-westphalian world order. Studia i Analizy Nauk o Polityce, [S. l.], n. 1, p. 107–122, 2021. DOI: 10.31743/sanp.12325. Disponível em: https://czasopisma.kul.pl/index.php/sanp/article/view/12325. Acesso em: 17 may. 2024.