LEBEDEV, Stepan S. Virtual conferences for professional training and retraining. CTE Workshop Proceedings, Kryvyi Rih, Ukraine, v. 3, p. 280–284, 2015. DOI: 10.55056/cte.280. Disponível em: https://acnsci.org/journal/index.php/cte/article/view/280.. Acesso em: 6 dec. 2024.