PIECUCH, ŁUKASZ. Platformy e-learningowe.
Journal of Education, Technology and Computer Science
,
[S. l.]
, v. 2, n. 2, p. 234–239, 2010. Disponível em: https://journals.ur.edu.pl/jetacomps/article/view/7106. Acesso em: 14 maj. 2025.