Връзки
[1] https://www.tourism.government.bg/sites/tourism.government.bg/files/uploads/info_materials/de/heilbad-_spa-_und_wellnesstourismus.pdf
[2] https://www.tourism.government.bg/sites/tourism.government.bg/files/uploads/info_materials/de/die_schwarzmeerkuste.pdf
[3] https://www.tourism.government.bg/sites/tourism.government.bg/files/uploads/brochures/danube_de.pdf
[4] https://www.tourism.government.bg/sites/tourism.government.bg/files/uploads/info_materials/de/kulturtourismus.pdf
[5] https://www.tourism.government.bg/sites/tourism.government.bg/files/uploads/info_materials/de/oko-und_bauerntourismus.pdf
[6] https://www.tourism.government.bg/sites/tourism.government.bg/files/uploads/info_materials/de/spiritueller_tourismus.pdf
[7] https://www.tourism.government.bg/sites/tourism.government.bg/files/uploads/info_materials/de/sport.pdf
[8] https://www.tourism.government.bg/sites/tourism.government.bg/files/uploads/info_materials/de/wein_und_kuche.pdf
[9] https://www.tourism.government.bg/sites/tourism.government.bg/files/uploads/info_materials/de/winter_tourismus.pdf