OLEJARZ, M. WSTĘP. Adult Education Discourses, [S. l.], n. 13, 2019. DOI: 10.34768/dma.vi13.202. Disponível em: https://dma.wns.uz.zgora.pl/index.php/DMA/article/view/202. Acesso em: 5 grudz. 2025.