Aynur S. Zharkeshova, Kasiya A. Kirdasinova, Gulmira Y. Amalbekova, Assemgul B. Bekmukhametova, Nazym E. Dabyltayeva and Akmaral K. Tauassarova
International Business Management 10 ( 30 ): 6804 - 6811 , 2016