The impact of accessibility barriers on learning outcomes in Grade 5: An analysis of national results from Brazil’s Basic Education Assessment System (SAEB) 2019. Research, Society and Development, [S. l.], v. 15, n. 1, p. e6315150566, 2026. DOI: 10.33448/rsd-v15i1.50566. Disponível em: https://rsdjournal.org/rsd/article/view/50566. Acesso em: 3 feb. 2026.