Dimitrov, A.
(2014).
The Leadership of XXI Century - Answers for the Globalizing Societies. Political Sciences, Law, Finance, Economics and Tourism : Volume1-4 : Conference Proceedings. International Multidisciplinary Scientific Conferences on Social Sciences and Arts SGEM 2014, 1-10 September (с. 421-428). Albena, Bulgaria: SGEM. Volume I. Political Sciences, Law