N.F. Medvedeva, Elena V. Medvedeva
(Russia, M. V. Lomonosov Moscow State University)
Alfred G. Mueller
(USA, Pennsylvania State University)
U.V. Rovinskaya
(Russia, M. V. Lomonosov Moscow State University)
Elena A. Makarova
(Russia, Taganrog Institute of Management and Economics)
N.V. Konnova
(Russia, Astrakhan State University)
N.A. Kovalchuk
(Russia, The National Research University "Belgorod State University")
Olga V. Sergeeva
(Russia, Volgograd State University)