Madina Yakiyayeva, Auelbek Iztayev, Maigul Kizatova, Meles Maemerov, Aliya Iztayeva, Vladimir Feydengold, Baltash Tarabaev and Zhanar Meirkhanovna Chakanova
Journal of Engineering and Applied Sciences 11 ( 6 ): 1229 - 1234 , 2016