4th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM2017. Аlbena, Bulgaria, 24-30 августа 2017 г. Vol. 3. SCIENCE & SOCIETY. SOCIOLOGY AND HEALTHCARE. 2017. P.. 203-211
4TH INTERNATIONAL MULTIDISCIPLINARY SCIENTIFIC CONFERENCE ON SOCIAL SCIENCES AND ARTS SGEM 2017. Vienna, Austria, 28–31 марта 2017 г. Том. 1. MODERN SCIENCE. POLITICAL SCIENCES, LAW, FINANCE, INTERNATIONAL RELATIONS. 2017. P.. 211-216