%0 Journal Article %T Master Class as a Form of Improving the Professional Competencies of a Teache %A Sabel'nikova-Begashvili, N.N. %A Damianova, E.V. %A Khudoverdova, S.. %K master class, advanced pedagogical experience, professional competencies, additional professional education, training technologies %J Standards and Monitoring in Education %D 2026 %N 14 %P 4 %I INFRA-M Academic Publishing LLC.