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Journal of the Bulgarian Geographical Society 44: 73-79
doi: 10.3897/jbgs.e77102
Received: 27 Oct 2021 | Approved: 18 Nov 2021 | Published: 25 Nov 2021
This article is part of:
Journal of the Bulgarian Geographical Society 44
Authors
Hristo Popov - Corresponding author
Sofia University "St. Kliment Ohridski", Sofia, Bulgaria
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Jelena Svetozarevich
School of Economics, Pirot, Serbia
Sofia University "St. Kliment Ohridski", Sofia, Bulgaria
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Academic editor
Mariyana Nikolova
National Institute of Geophysics, Geodesy and Geography - Bulgarian Academy of Sciences, Sofia, Bulgaria
http://niggg.bas.bg
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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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