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Journal of the Bulgarian Geographical Society 45: 81-87
doi: 10.3897/jbgs.e78719
Received: 30 Sep 2021 | Approved: 22 Dec 2021 | Published: 29 Dec 2021
This article is part of:
Journal of the Bulgarian Geographical Society 45: Natural heritage, ecosystem services and tourism
Authors
   
   
   
   
Mariyana Nikolova - Corresponding author
National Institute of Geophysics, Geodesy and Geography - Bulgarian Academy of Sciences, Sofia, Bulgaria
http://niggg.bas.bg
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Velimira Stoyanova
National Institute of Geophysics, Geodesy, and Geography - Bulgarian Academy of Sciences, Sofia, Bulgaria
niggg.bas.bg/wp-content/uploads/2018/11/geography/fg/en/V_Stoyanova1.html
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Desislava Varadzhakova
National Institute of Geophysics, Geodesy and Geography - Bulgarian Academy of Sciences, Sofia, Bulgaria
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Aleksandra Ravnachka
National Institute of Geophysics, Geodesy and Geography - Bulgarian Academy of Sciences, Sofia, Bulgaria
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Academic editor
Miglena Zhiyanski
Forest Research Institute - Bulgarian Academy of Sciences, Sofia, Bulgaria
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Author contributions

MN: Introduction, Results and Ecosystem services; VS: Maps; DV, AR: Tourism


Conflict of interest
The authors have declared that no competing interests exist.
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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