4th International multidisciplinary scientific Conference on social sciences and arts SGEM 2017, 28-31 March Viena, Austria ; 24-30 August, Albena, Bulgaria : Conference proceedings : B. 1-.
Автор-организации: | International multidisciplinary scientific conference on social sciences and arts SGEM Albena |
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Формат: | Книга |
Език: | English |
Публикувано: |
Sofia :
STEF92 Technology,
2017-.
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Серия: |
SGEM International multidisciplinary scientific conference on social sciences & arts
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Предмети: |