Rosa Laikovna Kalimzhanova, Kamariyash Rayhanovna Kalkeeva, Gulnur Sabetkanovna Zheksembayeva, Rosa Husainovna Aymagambetova, Yelena Nikolaevna Ivanova and Saltanat Kubeybekovna Akhtanov
The Social Sciences 11 ( 21 ): 5128 - 5132 , 2016