N. A. Fomenko
North-Caucasus Federal University, Pyatigorsk Institute (branch)
Russian Federation

Natalia A. Fomenko – Senior Lecturer at the Department of Civil Engineering

56, 40 Let Oktyabrya Ave., Pyatigorsk, Stavropol Territory, 357500

A. D. Konovalov
North-Caucasus Federal University, Pyatigorsk Institute (branch)
Russian Federation

Alexander D. Konovalov – Bachelor of the 1st course, Department of Construction

56, 40 Let Oktyabrya Ave., Pyatigorsk, Stavropol Territory, 357500

S. V. Malakhov
North-Caucasus Federal University, Pyatigorsk Institute (branch)
Russian Federation

Sean V. Malakhov – 4th year bachelor's degree student, Department of Tourism and Hotel Management

56, 40 Let Oktyabrya Ave., Pyatigorsk, Stavropol Territory, 357500

A. S. Tatov
North-Caucasus Federal University, Pyatigorsk Institute (branch)
Russian Federation

Alexey S. Tatov – Senior Lecturer, Deputy Dean for Research of the Faculty of Innovative Engineering and Hospitality Technologies

56, 40 Let Oktyabrya Ave., Pyatigorsk, Stavropol Territory, 357500