Sagadi B. Bulekbayev, Murat O. Nassimov, Kainar K. Kaldybay, Turganbai K. Abdrassilov, Muratbek M. Myrzabekov, Assel T. Chaklikova, Aybek S. Beysenov, Kalamkas A. Pazylova and Botagoz Z. Paridinova
The Social Sciences 13 ( 3 ): 677 - 683 , 2018