HELGESSON, C.-F. Folded Valuations?. Valuation Studies, [S. l.], v. 4, n. 2, p. 93–102, 2016. DOI: 10.3384/VS.2001-5992.164293. Disponível em: https://valuationstudies.liu.se/article/view/803. Acesso em: 23 sep. 2021.