Връзки
[1] https://www.tourism.government.bg/sites/tourism.government.bg/files/uploads/zt/zapoved-t-rd-16-153-ot-30-05-16.pdf
[2] https://www.tourism.government.bg/sites/tourism.government.bg/files/uploads/zt/zapoved-t-rd-16-190-ot-08-07-16.pdf
[3] https://www.tourism.government.bg/sites/tourism.government.bg/files/uploads/zt/protokol-ot-15-09-2016.pdf
[4] https://www.tourism.government.bg/sites/tourism.government.bg/files/uploads/planinski.pdf