Връзки
[1] https://www.tourism.government.bg/sites/tourism.government.bg/files/documents/2022-01/prilogenie_zd_1.pdf
[2] https://www.tourism.government.bg/sites/tourism.government.bg/files/documents/2022-01/dogovor_zd.pdf
[3] https://www.tourism.government.bg/sites/tourism.government.bg/files/documents/2021-12/anketna_karta_prilogenie_3.pdf