Consumer vulnerability and the Covid-19 pandemic: rights and protections in case of cancellation of concerts and artistic performances in brazilian legislation. Research, Society and Development, [S. l.], v. 11, n. 6, p. e56811629747, 2022. DOI: 10.33448/rsd-v11i6.29747. Disponível em: https://rsdjournal.org/rsd/article/view/29747. Acesso em: 5 dec. 2025.