Aisina, R. B.
Mukhametova, L. I.
Ivanova, E. M.
Article History
Received: 26 February 2020
Revised: 26 March 2020
Accepted: 28 March 2020
First Online: 23 October 2020
COMPLIANCE WITH ETHICAL STANDARDS
: This article does not contain any studies with the use of humans as objects of research.
: The authors state that there is no conflict of interest.