Kostikova, I., L. Holubnycha, T. Shchokina, N. Soroka, V. Budianska, y H. Marykivska. «A Role-Playing Game As a Means of Effective Professional English Teaching». Amazonia Investiga, vol. 8, n.º 24, noviembre de 2019, pp. 414-25, https://amazoniainvestiga.info/index.php/amazonia/article/view/1001.