3rd International Conference on „New Trends in education and their Implications” Antalya, 26-28 kwietnia 2012 r. Szkoła - Zawód - Praca, [S. l.], n. 3, p. 153–155, 2012. Disponível em: https://czasopisma.ukw.edu.pl/index.php/szp/article/view/1015.. Acesso em: 31 mar. 2025.