Naumov, N. (2017) The SAGE International Encyclopedia of Travel and Tourism : Burgas, Bulgaria. In: Lowry, L. (ed.) The SAGE International Encyclopedia of Travel & Tourism :. New York: Sage Publications. p. 183.
  
	
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    Naumov_Nikola_SAGE_2017_Burgas_Bulgaria
    
Naumov_Nikola_SAGE_2017_Burgas_Bulgaria.pdf
  
  
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