SIEDLACZEK-SZWED, Aleksandra. EDUCATIONAL ACTIVITY IN THE SECOND REPUBLIC OF POLAND. THE OUTLINE OF ISSUES. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 1, p. 472–479, 2019. DOI: 10.17770/sie2019vol1.3693. Disponível em: https://journals.rta.lv/index.php/SIE/article/view/3693.. Acesso em: 5 apr. 2025.