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Authors
Filev, Veselin G. https://orcid.org/0000-0001-5786-6815
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Funding
Funding for this research was provided by:
Bulgarian National Science Fund (KP-06-N88/1)
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Article History
Received: 16 May 2026
Revised: 9 July 2026
Accepted: 2 August 2026
First Online: 4 September 2026
Copyright Information
Copyright Statement: 2026 The Author(s)
Copyright Holder: The Author(s)
Copyright Year: 2026
