Perepelytsia, A., and Y. Yurchenko. “Modern Hotel Tecnology Trends for Hospitality Industry”. The Journal of V. N. Karazin Kharkiv National University. Series: International Relations. Economics. Country Studies. Tourism, no. 9, Oct. 2019, pp. 197-02, doi:10.26565/2310-9513-2019-9-24.