FALFUSHYNSKA, Halina I.; BUYAK, Bogdan B.; TERESHCHUK, Hryhorii V.; TORBIN, Grygoriy M.; KASIANCHUK, Mykhailo M. Strengthening of e-learning at the leading Ukrainian pedagogical universities in the time of COVID-19 pandemic. CTE Workshop Proceedings, Kryvyi Rih, Ukraine, v. 8, p. 261–273, 2021. DOI: 10.55056/cte.237. Disponível em: https://acnsci.org/journal/index.php/cte/article/view/237.. Acesso em: 8 jun. 2026.