À propos de cet article
Publié en ligne: 09 déc. 2024
Pages: 55 - 63
DOI: https://doi.org/10.2478/asn-2024-0018
Mots clés
© 2024 Veselin Dochev., published by Sciendo
This work is licensed under the Creative Commons Attribution 3.0 Public License.
Dochev, Veselin
Konstantin Preslavski University of Shumen, Faculty of Natural SciencesShumen, Bulgaria