WILLIAMS, Colin C.; HORODNIC, Ioana A. Tackling the Informal Sector in East-Central Europe. Journal of Tax Administration, [S. l.], v. 3, n. 2, p. 65–86, 2017. Disponível em: https://journals.docuracy.co.uk/jota/article/view/107. Acesso em: 27 dec. 2024.