References
- Vasileva, V.; Kabakchieva, D.; Sabrieva, S., Anthropogenic tourist resources of Bulgaria. Chimera, Shumen, 2020.
- Kabakchieva, D., Tourism. Communication. Reputation. Shumen University press, Shumen, 2019.
- https://www.moew.government.bg/bg/kontakti/regionalni-inspekcii-po-okolnata-sreda-i-vodite/.
- www.nsi.bg (23.05.2022).
- Varna Regional Development Strategy 2014-2020, 2021-2027.
- Dobrich District Development Strategy for the period 2014-2020, 2021-2027.
- Shumen District Development Strategy 2014-2020, 2021-2027.
- http://ninkn.bg/ (21.10.2019).
- Vasileva, V., The current state of tourism in the Shoumen region, International Journal Knowlege, 2016, 15(2), 832-839.
- www.nsi.bg.
- Vasileva, V.; Sabrieva, S., Tourist infrastructure and superstructure. Chimera, Shumen, 2019.