Playfulness in Early Childhood Education: Contributions to the development and learning of children aged 0 to 3 in Municipal Early Childhood Education Centers (CEMEI) in the municipality of Alegre, State of Espírito Santo (ES), Brazil. Research, Society and Development, [S. l.], v. 15, n. 4, p. e8215450984, 2026. DOI: 10.33448/rsd-v15i4.50984. Disponível em: https://rsdjournal.org/rsd/article/view/50984. Acesso em: 2 may. 2026.