Totubaeva, N. E.
Shalpykov, K. T.
Article History
Received: 28 June 2021
Revised: 9 January 2022
Accepted: 13 January 2022
First Online: 16 May 2022
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests</i>. The authors declare that they have no conflicts of interest.
: <i>Statement on the welfare of humans or animals</i>. This article does not contain any studies involving humans or animals performed by any of the authors.