CHRÁSKA, M. Wykorzystanie sytemu Courseware w e-learningu. Journal of Education, Technology and Computer Science, [S. l.], v. 4, n. 2, p. 28–32, 2011. Disponível em: https://journals.ur.edu.pl/jetacomps/article/view/6985. Acesso em: 14 kwi. 2025.