Varvara Igorevna Blishchenko, Vladimir Georgiyevich Egorov, Dmitry Nikolaevich Ermakov, Sergey Yakovlevich Lavrenov, vladimir Vladimirovich Shtol and Olga Alexandrovna Zozulya
The Social Sciences 11 ( 22 ): 5347 - 5359 , 2016