SGEM 2018 : 5th International Multidisciplinary Scientific Conferences on Social Sciences and Arts, 26 August - 1 September 2018, Albena Co., Bulgaria : conference proceedings. Volume 5. Modern Science. Issue 1.4, Economics and Tourism
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- publikacja recenzowana
Tytuł
SGEM 2018
Podtytuł
5th International Multidisciplinary Scientific Conferences on Social Sciences and Arts, 26 August - 1 September 2018, Albena Co., Bulgaria : conference proceedings. Volume 5. Modern Science. Issue 1.4, Economics and Tourism