University extension and its relationship with the quality of life of vulnerable elderly amazonians. Research, Society and Development, [S. l.], v. 10, n. 3, p. e14810313240, 2021. DOI: 10.33448/rsd-v10i3.13240. Disponível em: https://rsdjournal.org/rsd/article/view/13240. Acesso em: 5 dec. 2025.