by Yegenova, A. M., Sultanov, M., Balabekov, B. Ch, Umarova, Zh. R.
Published in Vestnik KazNU. Serii͡a︡ matematika, mekhanika, informatika (01.03.2022)

by Umarova, Zh, Yelbergenova, G., Zhumatayev, N., Makhatova, A., Botayeva, S.
Published in SERIES PHYSICO-MATHEMATICAL (15.06.2024)

by Kalbayeva, A. T., Barmaganbetov, Y. T., Umarova, Zh. R., Kurakbayeva, S. D., Amandikov, M. A., Bainazarova, I. K.
Published in Bulletin of the National Engineering Academy of the Republic of Kazakhstan (30.06.2024)

by Zhanar Satibaldievna, Kemelbekova, O.Z, Sembiyev, Zh.R, Umarova
Published in Indonesian Journal of Electrical Engineering and Computer Science (01.12.2020)

by Sembiev, Ordabay Zaitayevich, Kemelbekova, Zhanar Satybaldievna, Umarova, Zhanat Rysbaeyvna
Published in NEWS of National Academy of Sciences of the Republic of Kazakhstan (15.12.2019)