GERTSIY, A.; ISHCHUK, N. Programy multimedialne w szkole średniej. Journal of Education, Technology and Computer Science, [S. l.], v. 4, n. 2, p. 205–208, 2011. Disponível em: https://journals.ur.edu.pl/jetacomps/article/view/7010. Acesso em: 21 lis. 2024.