Nurmaganbetov, Zhangeldy S.
Savelyev, Viktor A.
Gatilov, Yurii V.
Nurkenov, Oralgazy A.
Seidakhmetova, Roza B.
Shulgau, Zarina T.
Mukusheva, Gulim K.
Fazylov, Serik D.
Shults, Elvira E.
Article History
Received: 20 June 2021
Accepted: 16 July 2021
First Online: 2 October 2021