The contact details of authors: | Petrov Mikhail Vasilyevich
e-mail: rimmapetrova20@gmail.com, Dr. Sci. Tech., Professor, I.N. Ulyanov Chuvash State University, Cheboksary, Russia.
Fedorova Tatyana Georgievna
e-mail: tanusha2884@mail.ru, Ph.D., Senior lecturer, I.N. Ulyanov Chuvash State University, Cheboksary, Russia.
Gonik Ekaterina Grigoryevna
e-mail: katya.gonik@mail.ru, Senior Lecturer, I.N. Ulyanov Chuvash State University, Cheboksary, Russia.
Pfanenshtil Nadezhda Georgievna
e-mail: nfedorova83@mail.ru, Ph.D., , Assoc. Prof., Kazan Branch of the Russian State University of Justice, Kazan, Russia.
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