Serbin Vassiliy, Moldagulova Aiman, Duisebekova Kulanda, Satybaldiyeva Ryskhan, Orazbekov Sayatbek, Tursynkulova Akbota, Alimzhanova Laura, Zhuanyshev Ilyas, Rakhmetulayeva Sabina and Bektemyssova Gulnara
Journal of Engineering and Applied Sciences 13 ( 1 ): 137 - 149 , 2018