MIRZAYEV ABDULHAMID MARIFOVICH. THE USE OF THE CLUSTER APPROACH IN THE SYSTEM OF PROFESSIONAL DEVELOPMENT OF TEACHERS. Spectrum Journal of Innovation, Reforms and Development, [S. l.], v. 18, p. 41–44, 2023. Disponível em: https://sjird.journalspark.org/index.php/sjird/article/view/773. Acesso em: 31 jan. 2025.