Danko, Natalia, and Sofiia Kurinna. “Modern Trends of Marketing in Tourist Enterprises”. The Journal of V. N. Karazin Kharkiv National University. Series: International Relations. Economics. Country Studies. Tourism0, no. 7 (April 17, 2018): 102-108. Accessed April 29, 2024. https://periodicals.karazin.ua/irtb/article/view/10501.