Kemerovo ChistyakovaGalinaViktorovna Kemerovo Institute (Branch) of Plekhanov Russian University of Economics, Russia, 650992, Kemerovo, Kuznetsky pr., 39 galvik06@mail.ru Read more about Chistyakova Galina Viktorovna BondarevaEvgeniaPetrovna Kemerovo Institute (Branch) of Plekhanov Russian University of Economics, Russia, 650992, Kemerovo, Kuznetsky pr., 39 bondarevaep@list.ru Read more about Bondareva Evgenia Petrovna RabenkoTatyanaGennadievna Kemerovo State University, Russia, 650043, Kemerovo, Krasnaya street, 6 Rabenko@mail.ru Read more about Rabenko Tatyana Gennadievna