Tursymbekova Zakira Zhambylovna, Kenzhegaliev Batyrbek Akimgalievich, Musin Kadyrzhan Seitzhanovich, Ssabraliev Nurlan Sabralievich and Zhanbirov Zhumzhan Ginayatovich
Journal of Engineering and Applied Sciences 13 ( 7 ): 1584 - 1589 , 2018