MODELS OF PROFESSIONAL DEVELOPMENT OF TEACHERS AS A DETERMINING FACTOR OF A COUNTRY’S COMPETITIVENESS. Education in the 21st Century, [S. l.], v. 6, n. 1, p. 45–55, 2024. DOI: 10.46991/educ-21st-century.v6.i1.045. Disponível em: https://journals.ysu.am/index.php/Educ-21st-Century/article/view/11974. Acesso em: 22 jan. 2026.