Contribution of multivariate techniques to drought rates in understanding the otto-regions of the São Francisco basin. Research, Society and Development, [S. l.], v. 10, n. 3, p. e7210313118, 2021. DOI: 10.33448/rsd-v10i3.13118. Disponível em: https://rsdjournal.org/rsd/article/view/13118. Acesso em: 5 dec. 2025.