Natural tourist resources in the Stara planina tourist region (Bulgaria).
| Autor: | Kabakchieva, Dora1, Vasileva, Vanya1 v.vasileva@shu.bg |
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| Zdroj: | Acta Scientifica Naturalis. Nov2023, Vol. 10 Issue 3, p25-52. 28p. |
| Databáze: | Academic Search Ultimate |
| Externí odkaz: |
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