K. I. Derevyanko
St. Petersburg University of Management Technologies and Economics
Russian Federation

Kseniya I. Derevyanko, PhD in Economics, Associate Professor of the Department of Service and Tourism
St. Petersburg University of Management Technologies and Economics
44A Lermontovskiy Ave., St. Petersburg 190103

V. P. Orlovskaya
St. Petersburg State University of Economics
Russian Federation

Viktoriya P. Orlovskaya, PhD in Economics, Associate Professor, Associate Professor of the Department of Service and Congress and Exhibition Activities

30-32 Griboedov Channel Emb., St. Petersburg 191023

I. G. Filippova
St. Petersburg University of Management Technologies and Economics
Russian Federation

Inga G. Filippova, PhD in History, Associate Professor, Head of the Department of Service and Tourism

44A Lermontovskiy Ave., St. Petersburg 190103