Second degree teaching in Rio Grande do Norte during the decades of 1970 and 1990. Research, Society and Development, [S. l.], v. 5, n. 4, p. 338–350, 2017. DOI: 10.17648/rsd-v5i4.144. Disponível em: https://ojs34.rsdjournal.org/index.php/rsd/article/view/144. Acesso em: 28 jun. 2025.