Raisa Kozhukhіvska, Оlena Sakovska, Svitlana Skurtol, Serhii Kontseba, Viktoriia Zhmudenko. “An Analysis of Use of Internet Technologies by the Consumers of Tourism Industries in Ukraine”. International Journal of Advanced Science and Technology, Vol. 29, no. 6s, Apr. 2020, pp. 1007 -13, http://sersc.org/journals/index.php/IJAST/article/view/9097.