Vetitnev, Alexandr, Nadezhda Bobina, and Olga Zelenskaya. “Analysis of tourists’ Expenditures at the 2014 Sochi Olympic Games”. International Review of Management and Marketing 6, no. 2 (April 17, 2016): 227–232. Accessed May 12, 2025. https://mail.econjournals.org.tr/index.php/irmm/article/view/1976.