NOVÁK, M.; KŘUPKA, J.; PETR, P. ANALYSIS OF VIRTUAL ENVIRONMENT BENEFIT IN E-LEARNING. Journal on Efficiency and Responsibility in Education and Science, [S. l.], v. 6, n. 2, p. 105–118, 2013. DOI: 10.7160/eriesj.2013.060204. Disponível em: https://www.eriesjournal.com/index.php/eries/article/view/79. Acesso em: 27 apr. 2024.