Haponenko, H., and N. Shulha. “Modern Trends and Prospects for the Introduction of Information Technologies in the Ukrainian Tourism Industry”. The Journal of V. N. Karazin Kharkiv National University. Series: International Relations. Economics. Country Studies. Tourism, no. 11, June 2020, pp. 111-20, doi:10.26565/2310-9513-2020-11-13.