M.N. Mukhtarova, A.K. Nurseytova, S.D. Ermaganbetova, M.T. Beketayeva, E.M. Zulbuharova, A.A. Kuikabayeva, A.K. Danlybayeva, M.T. Kyzgaryna, G.K. Nauryzbayeva and S.N. Sarsenbayeva
Journal of Engineering and Applied Sciences 14 ( 1 ): 8 - 12 , 2019