OSĘKOWSKI, Czesław. The failure of the state’s integration policy towards population groups in western and northern Poland after World War II. Balcanica Posnaniensia. Acta et studia, [S. l.], n. 11/12, p. 265–272, 2001. DOI: 10.14746/bp.2001.11-12.28. Disponível em: https://pressto.amu.edu.pl/index.php/bp/article/view/52633. Acesso em: 4 aug. 2026.