Non-formal education for the elderly: a systematic review of teaching methodologies. Research, Society and Development, [S. l.], v. 11, n. 12, p. e76111234278, 2022. DOI: 10.33448/rsd-v11i12.34278. Disponível em: https://rsdjournal.org/rsd/article/view/34278. Acesso em: 6 dec. 2025.