Kostadinov, Ivan Kirilov
Temelkov, Krassimir Angelov https://orcid.org/0000-0002-5540-9992
Popova, Lidia Todorova
Ivanov, Borislav Lubomirov
Slaveeva, Stefka Ivanova
Funding for this research was provided by:
Bulgarian National Science Fund (KP-06-H27/5)
Article History
Received: 12 October 2021
Accepted: 7 July 2022
First Online: 15 September 2022
Declarations
:
: The authors have no conflicts of interest to declare that are relevant to the content of this article.