Drozdov, A. A.
Povarova, K. B.
Valitov, V. A.
Bazyleva, O. A.
Galieva, E. V.
Bulakhtina, M. A.
Arginbaeva, E. G.
Article History
Received: 11 September 2018
Revised: 10 November 2018
Accepted: 21 November 2018
First Online: 14 January 2020