D. Akizhanova, L. Ilimkhanova, Zh. Maigeldiyeva and M. Korlasbay
Research Journal of Applied Sciences 15 ( 11 ): 345 - 353 , 2020
A. Saulembekova, Zh. Maigeldiyeva, S. Zhalbinova, K. Nurgalieva, R. Nurtazina and L. Ilimkhanova
Research Journal of Applied Sciences 15 ( 11 ): 377 - 385 , 2020