Milev, O. Factor influence in tourism on the example of the Bulgarian Black sea,
, 2021, 180-186.
Milev, O. .
Factor influence in tourism on the example of the Bulgarian Black sea.
Sofia: , 2021, 180-186.
Milev, O. (2021)
Factor influence in tourism on the example of the Bulgarian Black sea,
Sofia: , 180-186
Milev, O.
(2021).
Factor influence in tourism on the example of the Bulgarian Black sea. Industrial Growth Conference 2020 : Conference Proceedings Book, II-IV Oct. MMXX, Hotel Sol Nessebar Palace (с. 180-186). Sofia: