SADKOVYI, V.; ANDRONOV, V.; POPOV, V. Distance learning: current state and development prospects. New Collegium, [S. l.], v. 4, n. 106, p. 30–35, 2021. DOI: 10.30837/nc.2021.4.30. Disponível em: http://newcollegium.nure.ua/article/view/270080. Acesso em: 5 may. 2024.