The 1960s, a huge leap in Brazil and the first steps in combating illiteracy in Rio Grande. Research, Society and Development, [S. l.], v. 7, n. 9, p. e679387, 2018. DOI: 10.17648/rsd-v7i9.387. Disponível em: https://rsdjournal.org/rsd/article/view/387. Acesso em: 5 dec. 2025.