METHODOLOGICAL APPROACHES TO VALIDATING THE MODEL OF MANAGERIAL COMPETENCIES OF COMMERCIAL ENTERPRISES IN A COMPETITIVE ENVIRONMENT Authors M. Yeromina https://orcid.org/0000-0003-0355-0975 DOI: https://doi.org/10.32702/2307-2105.2026.3.114 Downloads pdf (Українська) Published 2026-03-20 Issue No. 3 (2026): Efektyvna ekonomika Section Статті