Über diesen Artikel
Online veröffentlicht: 28. Juli 2022
Seitenbereich: 87 - 110
DOI: https://doi.org/10.2478/asn-2022-0015
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© 2022 Svetla Stankova et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 3.0 Public License.
Stankova, Svetla
University of Shumen Bishop Konstantin Preslavski, Faculty of Natural Sciences, Department of Geography, Regional Development and TourismShumen, Bulgaria
Tzankov, Tzanko
South-West University Neofit Rilski, Faculty of Mathematics and Natural Sciences, Department of Geography, Ecology and Environment ProtectionBlagoevgrad, Bulgaria