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ARPHA Preprints
https://doi.org/10.3897/arphapreprints.e209928 (31 Jul 2026)
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ARPHA Preprints
doi: 10.3897/arphapreprints.e209928
First posted 31 Jul 2026
Author
   
   
Alexandra Tzvetkova - Corresponding author
Sofia University "St. Kliment Ohridski", Sofia, Bulgaria
www.aliatzvetkova.com
Articles by this author in:  CrossRef  |  PubMed  |  Google Scholar
Conflict of interest
The author has declared that no competing interests exist.
Supporting agencies
This research is conducted as part of a doctoral project at the Faculty of Philosophy, Sofia University “St. Kliment Ohridski”.
This is an open access preprint 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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