M.Sh. Hassanov, V.F. Petrova, G.G. Nurysheva, A.S. Syrgakbayeva Syrgykbaeva, D.M. Azhusubalieva, B.A. Dzhaambaeva and D.R. Shaidulina
The Social Sciences 11 ( 25 ): 6116 - 6123 , 2016