Chuyiko, Andrey, and Elizaveta Butochkina. 2018. “The Problem of Healthy Food in the Tourist Industry”. The Journal of V. N. Karazin Kharkiv National University. Series: International Relations. Economics. Country Studies. Tourism, no. 7 (April), 150-55. https://doi.org/10.26565/2310-9513-2018-7-22.