Teacher training and pedagogical management of multi-grade classrooms in rural education. Research, Society and Development, [S. l.], v. 15, n. 3, p. e5615350788, 2026. DOI: 10.33448/rsd-v15i3.50788. Disponível em: https://rsdjournal.org/rsd/article/view/50788. Acesso em: 24 mar. 2026.