ZAPOROZHCHENKO, Yu. H. Cloud technologies as a means of open education. CTE Workshop Proceedings, Kryvyi Rih, Ukraine, v. 1, p. 57–59, 2013. DOI: 10.55056/cte.90. Disponível em: https://acnsci.org/journal/index.php/cte/article/view/90.. Acesso em: 4 may. 2026.