SERAFÍN, ČESTMÍR. Wirtualne konstrukcje elektroniczne w nauczaniu techniki. Journal of Education, Technology and Computer Science, ISSN 2719-6550, e-ISSN 2719-7417, [S. l.], v. 2, n. 2, p. 139–144, 2010. Disponível em: https://journals.ur.edu.pl/jetacomps/article/view/7094. Acesso em: 24 sie. 2026.