STRADOMSKA, Marlena. E-learning as a university challenge of the 21st century. Kultura-Społeczeństwo-Edukacja, [S. l.], v. 19, n. 1, p. 133–144, 2021. DOI: 10.14746/kse.2021.19.10. Disponível em: https://pressto.amu.edu.pl/index.php/kse/article/view/29743. Acesso em: 22 grudz. 2024.