АКТУАЛЬНЫЕ ПРОБЛЕМЫ СОВРЕМЕННОЙ НАУКИ

ACTUAL PROBLEMS OF MODERN SCIENCE

XXIV Международная научно-практическая конференция, "28" сентября 2017,
Москва – Астана – Харьков – Вена
XXIV International Scientific and Practical Conference, September 28, 2017,
Moscow - Astana - Kharkiv - Vienna

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