Yakypova, L. R.
Baeva, L. A.
Safiullin, R. L.
Article History
Received: 10 July 2020
Revised: 22 August 2020
Accepted: 26 August 2020
First Online: 3 March 2021
CONFLICTS OF INTEREST
: The authors have no conflicts of interest to declare that are relevant to the contents of this article.