The National High School Examination essay according to the Systemic Functional Linguistics perspective. Research, Society and Development, [S. l.], v. 8, n. 4, p. e1884916, 2019. DOI: 10.33448/rsd-v8i4.916. Disponível em: https://rsdjournal.org/rsd/article/view/916. Acesso em: 5 dec. 2025.