Urkasym kyzy, S.
Krisyuk, V. V.
Turgambaeva, A. E.
Baidina, I. A.
Komarov, V. Yu.
Korotaev, E. V.
Korolkov, I. V.
Article History
Received: 2 April 2019
Revised: 24 April 2019
Accepted: 13 May 2019
First Online: 5 November 2019
Conflict of Interests
: The authors declare that they have no conflict of interests.