Specialization of Tourist Offering by Modeling a Package Tour for Gambling Tourism
| Autor: | Yaneva, Mariana, Gaydarov, Nikola |
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| Zdroj: | Научни трудове на УНСС / Research Papers of UNWE. 1(1):125-143 |
| Databáze: | Central and Eastern European Online Library (CEEOL) |
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