SGEM conference on political sciences, law, finance, economics and tourism : conference proceedings, international multidisciplinary scientific conferences on social sciences and arts, Bulgaria 3-9 september 2014. Vol. IV. -- 1. vyd. -- Sofia : STEF92 Technology, 2014. -- ISBN 978-619-7105-28-5. -- ISSN 2367-5659

I. SGEM conference on political sciences, law, finance, economics and tourism.internation multidisciplinary scientific conferences on social sciences and arts
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