MOLGA, A.; WÓJTOWICZ, M. Rozwój technologii e-learningu. Journal of Education, Technology and Computer Science, [S. l.], v. 14, n. 4, p. 105–110, 2015. Disponível em: https://journals.ur.edu.pl/jetacomps/article/view/6406. Acesso em: 11 kwi. 2025.