Poddubnaya, Tatyana N., Elena L. Zadneprovskaya, Tatyana A. Dzhum, y Fatima R. Khatit. «Using the Electronic Information and Educational Environment of the University in the Training of Tourism Industry Workers». Amazonia Investiga 9, no. 28 (abril 21, 2020): 249–259. Accedido diciembre 12, 2025. https://amazoniainvestiga.info/index.php/amazonia/article/view/1318.