Durcheva, D.E. https://orcid.org/0000-0003-2428-3730
Georgieva, L.M. https://orcid.org/0000-0002-9320-9203
Reviewing Process: Peer review type: double-blind
Description of Quality Control System: The publishing and review policy for this paper is described on the IJSA website: https://doi.org/10.26697/ijsa.2.3
Publication History: Received: 2026-05-09; Accepted: 2026-06-18; Published: 2026-06-30.