MEDEIROS GARCIA, Maria Teresa; ASSUNÇÃO DE FREITAS SANCHES, Diogo Miguel. The Shadow Economy Determinants - The Case of Portugal. Journal of Tax Administration, [S. l.], v. 6, n. 2, p. 76–94, 2021. Disponível em: https://jota.website/jota/article/view/48. Acesso em: 19 sep. 2024.