Maxim Vladimirovich Sevost`yanov, Tat`yana Nikolaevna Il`ina, Vladimir Semenovich Sevost`yanov, Dmitry Aleksandrovich Emel`yanov and Makhabbat Batyrgaliyevna Amanbayeva
Research Journal of Applied Sciences 10 ( 11 ): 749 - 754 , 2015