TOMKOVÁ, V. Video Conferencing System as an Innovative Element in Education. Journal of Education, Technology and Computer Science, [S. l.], n. 2, p. 173–178, 2011. DOI: 2080-9069. Disponível em: https://journals.ur.edu.pl/jetacomps/article/view/7005. Acesso em: 22 jul. 2024.