Research Article
Hui Cao, Makhabbat B. Amanbayeva, Assiya D. Maimatayeva, Zulfiya O. Unerbayeva, Karatay I. Shalabayev, Sergey V. Sumatokhin, Sofya K. Imankulova, Jumadil B. Childibayev
EURASIA J Math Sci Tech Ed, Volume 13, Issue 11, pp. 7399-7410
https://doi.org/10.12973/ejmste/79792