A self-assessment tool of the level of digital competence of Ukrainian teachers in the context of lifelong learning: the results of an online survey 2021. Educational Dimension, Kryvyi Rih, Ukraine, v. 5, p. 75–88, 2021. DOI: 10.31812/educdim.4719. Disponível em: https://journal.kdpu.edu.ua/ed/article/view/8229. Acesso em: 5 dec. 2025.