ТВЕРДОХЛЄБОВА, Н. Є.; СЕМЕНОВ, Є. О. Distance learning as a system improvement modern teacher qualifications. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 2, n. 2(62), p. 25–29, 2013. DOI: 10.15587/1729-4061.2013.12351. Disponível em: https://journals.uran.ua/eejet/article/view/12351. Acesso em: 20 jul. 2024.