WAWRZUSISZYN, A. Institutions and State Authorities of the Republic of Poland Involved in Cross-Border Security. Historia i Polityka, [S. l.], n. 32 (39), p. 53–66, 2020. DOI: 10.12775/HiP.2020.014. Disponível em: https://apcz.umk.pl/HiP/article/view/HiP.2020.014. Acesso em: 20 kwi. 2024.