SIZOV, V. DISTANCE LEARNING: SOME CONDITIONS OF IMPLEMENTATION. Pedagogy of Higher and Secondary Education, Kryvyi Rih, Ukraine, v. 20, p. 219–227, 2008. DOI: 10.31812/educdim.6586. Disponível em: https://journal.kdpu.edu.ua/ped/article/view/6586. Acesso em: 22 nov. 2024.