Do Thi Quyen1, Le Hung Ninh2, O. B. Anikin3, E. N. Smirnov4

1–4 State University of Management (Moscow, Russia)
1 doquyen.ictu@gmail.com, 2 lehungninh.ch20bkdtm@gmail.com, 3 Ob_anikin@guu.ru, 4 smirnov_en@mail.ru

O.N. Bodin1, O.E. Bezborodova2, A.N. Mitroshin3, B.V. Chuvykin4, D.V. Martynov5, M.V. Edemsky6

1,5 Penza State Technological University (Penza, Russia)
2–4,6 Penza State University (Penza, Russia)
4 bodin_o@inbox.ru