ANDRUKHOVSKYI, A. B. Using cloud technologies in modern distance learning systems. CTE Workshop Proceedings, Kryvyi Rih, Ukraine, v. 1, p. 60–61, 2013. DOI: 10.55056/cte.91. Disponível em: https://acnsci.org/journal/index.php/cte/article/view/91.. Acesso em: 27 jun. 2026.