KARPOVA, O. O. Peculiarities of implementation of mobile learning of foreign languages at the economic university. CTE Workshop Proceedings, Kryvyi Rih, Ukraine, v. 4, p. 93–99, 2017. DOI: 10.55056/cte.332. Disponível em: https://acnsci.org/journal/index.php/cte/article/view/332.. Acesso em: 24 jun. 2026.