Rain oscillations in Amparo de São Francisco, Sergipe - Brazil tooth 20 - 20 years. Research, Society and Development, [S. l.], v. 11, n. 6, p. e29111629107, 2022. DOI: 10.33448/rsd-v11i6.29107. Disponível em: https://rsdjournal.org/rsd/article/view/29107. Acesso em: 5 dec. 2025.